diff --git a/MicroDexed.ino b/MicroDexed.ino
index 0603bb6..d996c9d 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -194,12 +194,6 @@ void create_audio_connections(AudioSourceMicroDexed &dexed, AudioEffectMonoStere
 uint8_t sd_card = 0;
 Sd2Card card;
 SdVolume volume;
-uint8_t max_loaded_banks = 0;
-char bank_name[NUM_DEXED][BANK_NAME_LEN];
-char voice_name[NUM_DEXED][VOICE_NAME_LEN];
-char bank_names[NUM_DEXED][MAX_BANKS][BANK_NAME_LEN];
-char voice_names[NUM_DEXED][MAX_VOICES][VOICE_NAME_LEN];
-uint8_t dexed_setup_number = 1;
 uint8_t midi_timing_counter = 0; // 24 per qarter
 elapsedMillis midi_timing_timestep;
 uint16_t midi_timing_quarter = 0;
@@ -375,11 +369,6 @@ void setup()
 #ifdef DEBUG
     Serial.println(F("SD card not accessable."));
 #endif
-    for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
-    {
-      strcpy(bank_name[instance_id], "Default");
-      strcpy(voice_name[instance_id], "Default");
-    }
   }
   else
   {
@@ -387,30 +376,6 @@ void setup()
 
     for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
     {
-      // read all bank names
-      max_loaded_banks = get_bank_names(instance_id);
-      strip_extension(bank_names[instance_id][configuration.performance.bank[instance_id]], bank_name[instance_id]);
-
-      // read all voice name for actual bank
-      get_voice_names_from_bank(configuration.performance.bank[instance_id], instance_id);
-#ifdef DEBUG
-      Serial.print(F("Bank ["));
-      Serial.print(bank_names[instance_id][configuration.performance.bank[instance_id]]);
-      Serial.print(F("/"));
-      Serial.print(bank_name[instance_id]);
-      Serial.println(F("]"));
-      for (uint8_t n = 0; n < MAX_VOICES - 1; n++)
-      {
-        if (n < 10)
-          Serial.print(F(" "));
-        Serial.print(F("   "));
-        Serial.print(n, DEC);
-        Serial.print(F("["));
-        Serial.print(voice_names[instance_id][n]);
-        Serial.println(F("]"));
-      }
-#endif
-
       // load default SYSEX data
       load_sd_voice(configuration.performance.bank[instance_id], configuration.performance.voice[instance_id], instance_id);
     }
@@ -986,13 +951,13 @@ void handleSystemExclusive(byte * sysex, uint len)
 
       // load sysex-data into voice memory
       MicroDexed[instance_id]->loadVoiceParameters(&sysex[6]);
-      //MicroDexed[instance_id]->initGlobalParameters();
 
-      // manipulate UI names and numbers
-      strncpy(voice_name[instance_id], (char *)&sysex[151], sizeof(voice_name[instance_id]) - 1);
-      Serial.print(F("Got voice ["));
-      Serial.print(voice_name[instance_id]);
-      Serial.println(F("]."));
+      /*
+            // manipulate UI names and numbers
+            strncpy(voice_name[instance_id], (char *)&sysex[151], sizeof(voice_name[instance_id]) - 1);
+            Serial.print(F("Got voice ["));
+            Serial.print(voice_name[instance_id]);
+            Serial.println(F("]."));*/
     }
 #ifdef DEBUG
     else
@@ -1245,7 +1210,7 @@ void check_configuration(void)
   configuration.sys.mono = constrain(configuration.sys.mono, MONO_MIN, MONO_MAX);
   configuration.sys.soft_midi_thru = constrain(configuration.sys.soft_midi_thru, SOFT_MIDI_THRU_MIN, SOFT_MIDI_THRU_MAX);
   configuration.sys.performance_number = constrain(configuration.sys.performance_number, PERFORMANCE_NUM_MIN, PERFORMANCE_NUM_MAX);
-  
+
   configuration.performance.fx_number = constrain(configuration.performance.fx_number, FX_NUM_MIN, FX_NUM_MAX);
 
   configuration.fx.reverb_roomsize = constrain(configuration.fx.reverb_roomsize, REVERB_ROOMSIZE_MIN, REVERB_ROOMSIZE_MAX);
@@ -1337,10 +1302,9 @@ void init_configuration(void)
   configuration.fx.delay_feedback = DELAY_FEEDBACK_DEFAULT;
   configuration.fx.delay_level = DELAY_LEVEL_DEFAULT;
 
-  //configuration.performance.checksum = 0xffff;
   configuration.performance.fx_number = FX_NUM_DEFAULT;
 
-  for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
+  for (uint8_t instance_id = 0; instance_id < MAX_DEXED; instance_id++)
   {
     configuration.performance.bank[instance_id] = SYSEXBANK_DEFAULT;
     configuration.performance.voice[instance_id] = SYSEXSOUND_DEFAULT;
@@ -1828,8 +1792,8 @@ void check_and_create_directories(void)
     }
   }
 #ifdef DEBUG
-#else
-  Serial.println(F("No SD card for directory check available."));
+  else
+    Serial.println(F("No SD card for directory check available."));
 #endif
 }
 
diff --git a/UI.hpp b/UI.hpp
index 023443f..727ac88 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -47,15 +47,7 @@
 #define _LCDML_DISP_cfg_scrollbar                  1      // enable a scrollbar
 
 extern config_t configuration;
-extern uint8_t dexed_setup_number;
 extern void set_volume(uint8_t v, uint8_t m);
-extern char bank_names[NUM_DEXED][MAX_BANKS][BANK_NAME_LEN];
-extern char bank_name[NUM_DEXED][BANK_NAME_LEN];
-extern char voice_name[NUM_DEXED][VOICE_NAME_LEN];
-extern char voice_names[NUM_DEXED][MAX_VOICES][VOICE_NAME_LEN];
-extern void strip_extension(char* s, char *target);
-//extern void eeprom_write(void);
-extern bool get_voice_names_from_bank(uint8_t b, uint8_t instance_id);
 extern bool load_sysex(uint8_t b, uint8_t v);
 extern void generate_version_string(char* buffer, uint8_t len);
 extern void initial_values_from_eeprom(bool init);
@@ -3197,7 +3189,7 @@ void UI_func_eeprom_reset(uint8_t param)
 void UI_func_voice_select(uint8_t param)
 {
   uint8_t instance_id = 0;
-  static uint8_t  menu_voice_select = MENU_VOICE_SOUND;
+  static uint8_t menu_voice_select = MENU_VOICE_SOUND;
 
   if (LCDML.FUNC_getID() > MENU_ID_OF_INSTANCE_2)
     instance_id = 1;
@@ -3206,12 +3198,18 @@ void UI_func_voice_select(uint8_t param)
   {
     encoderDir[ENC_R].reset();
 
-    strip_extension(bank_names[instance_id][configuration.performance.bank[instance_id]], bank_name[instance_id]);
+    char bank_name[BANK_NAME_LEN];
+    char voice_name[VOICE_NAME_LEN];
+
+    if (!get_bank_name(configuration.performance.bank[instance_id], bank_name, sizeof(bank_name)))
+      strncpy(bank_name, "*ERROR*", sizeof(bank_name));
+    if (!get_voice_by_bank_name(configuration.performance.bank[instance_id], bank_name, configuration.performance.voice[instance_id], voice_name, sizeof(voice_name)))
+      strncpy(voice_name, "*ERROR*", sizeof(voice_name));
 
     lcd.show(0, 0, 2, configuration.performance.bank[instance_id]);
     lcd.show(1, 0, 2, configuration.performance.voice[instance_id] + 1);
-    lcd.show(0, 4, 10, bank_name[instance_id]);
-    lcd.show(1, 4, 10, voice_names[instance_id][configuration.performance.voice[instance_id]]);
+    lcd.show(0, 4, 10, bank_name);
+    lcd.show(1, 4, 10, voice_name);
 
     switch (menu_voice_select)
     {
@@ -3232,12 +3230,16 @@ void UI_func_voice_select(uint8_t param)
 
   if (LCDML.FUNC_loop())          // ****** LOOP *********
   {
+    char bank_name[BANK_NAME_LEN];
+    char voice_name[VOICE_NAME_LEN];
+
     if ((LCDML.BT_checkDown() && encoderDir[ENC_R].Down()) || (LCDML.BT_checkUp() && encoderDir[ENC_R].Up()) || (LCDML.BT_checkEnter() && encoderDir[ENC_R].ButtonShort()))
     {
       uint8_t bank_tmp;
       int8_t voice_tmp;
 
       if (LCDML.BT_checkUp())
+      {
         switch (menu_voice_select)
         {
           case MENU_VOICE_BANK:
@@ -3247,7 +3249,6 @@ void UI_func_voice_select(uint8_t param)
             change_disp_sd(false);
 #endif
             load_sd_voice(configuration.performance.bank[instance_id], configuration.performance.voice[instance_id], instance_id);
-            get_voice_names_from_bank(configuration.performance.bank[instance_id], instance_id);
 #ifdef DISPLAY_LCD_SPI
             change_disp_sd(true);
 #endif
@@ -3265,18 +3266,18 @@ void UI_func_voice_select(uint8_t param)
             }
             if (voice_tmp < 0)
               voice_tmp = MAX_VOICES + voice_tmp;
-            configuration.performance.voice[instance_id] = voice_tmp;
+            configuration.performance.voice[instance_id] = constrain(voice_tmp, 0, MAX_VOICES - 1);
 
 #ifdef DISPLAY_LCD_SPI
             change_disp_sd(false);
 #endif
             load_sd_voice(configuration.performance.bank[instance_id], configuration.performance.voice[instance_id], instance_id);
-            get_voice_names_from_bank(configuration.performance.bank[instance_id], instance_id);
 #ifdef DISPLAY_LCD_SPI
             change_disp_sd(true);
 #endif
             break;
         }
+      }
       else if (LCDML.BT_checkDown())
       {
         switch (menu_voice_select)
@@ -3288,7 +3289,6 @@ void UI_func_voice_select(uint8_t param)
             change_disp_sd(false);
 #endif
             load_sd_voice(configuration.performance.bank[instance_id], configuration.performance.voice[instance_id], instance_id);
-            get_voice_names_from_bank(configuration.performance.bank[instance_id], instance_id);
 #ifdef DISPLAY_LCD_SPI
             change_disp_sd(true);
 #endif
@@ -3305,18 +3305,16 @@ void UI_func_voice_select(uint8_t param)
             {
               voice_tmp = MAX_VOICES - 1;
             }
-            configuration.performance.voice[instance_id] = voice_tmp;
+            configuration.performance.voice[instance_id] =  constrain(voice_tmp, 0, MAX_VOICES - 1);
 
 #ifdef DISPLAY_LCD_SPI
             change_disp_sd(false);
 #endif
             load_sd_voice(configuration.performance.bank[instance_id], configuration.performance.voice[instance_id], instance_id);
-            get_voice_names_from_bank(configuration.performance.bank[instance_id], instance_id);
 #ifdef DISPLAY_LCD_SPI
             change_disp_sd(true);
 #endif
             break;
-
         }
       }
       else if (LCDML.BT_checkEnter())
@@ -3326,29 +3324,32 @@ void UI_func_voice_select(uint8_t param)
         else
           menu_voice_select = MENU_VOICE_BANK;
       }
+    }
 
-      strip_extension(bank_names[instance_id][configuration.performance.bank[instance_id]], bank_name[instance_id]);
+    if (!get_bank_name(configuration.performance.bank[instance_id], bank_name, sizeof(bank_name)))
+      strncpy(bank_name, "*ERROR*", sizeof(bank_name));
+    if (!get_voice_by_bank_name(configuration.performance.bank[instance_id], bank_name, configuration.performance.voice[instance_id], voice_name, sizeof(voice_name)))
+      strncpy(voice_name, "*ERROR*", sizeof(voice_name));
 
-      lcd.show(0, 0, 2, configuration.performance.bank[instance_id]);
-      lcd.show(1, 0, 2, configuration.performance.voice[instance_id] + 1);
-      lcd.show(0, 4, 10, bank_name[instance_id]);
-      lcd.show(1, 4, 10, voice_names[instance_id][configuration.performance.voice[instance_id]]);
+    lcd.show(0, 0, 2, configuration.performance.bank[instance_id]);
+    lcd.show(1, 0, 2, configuration.performance.voice[instance_id] + 1);
+    lcd.show(0, 4, 10, bank_name);
+    lcd.show(1, 4, 10, voice_name);
 
-      switch (menu_voice_select)
-      {
-        case MENU_VOICE_BANK:
-          lcd.show(0, 2, 2, " [");
-          lcd.show(0, 14, 1, "]");
-          lcd.show(1, 2, 2, "  ");
-          lcd.show(1, 14, 1, " ");
-          break;
-        case MENU_VOICE_SOUND:
-          lcd.show(0, 2, 2, "  ");
-          lcd.show(0, 14, 1, "  ");
-          lcd.show(1, 2, 2, " [");
-          lcd.show(1, 14, 1, "]");
-          break;
-      }
+    switch (menu_voice_select)
+    {
+      case MENU_VOICE_BANK:
+        lcd.show(0, 2, 2, " [");
+        lcd.show(0, 14, 1, "]");
+        lcd.show(1, 2, 2, "  ");
+        lcd.show(1, 14, 1, " ");
+        break;
+      case MENU_VOICE_SOUND:
+        lcd.show(0, 2, 2, "  ");
+        lcd.show(0, 14, 1, "  ");
+        lcd.show(1, 2, 2, " [");
+        lcd.show(1, 14, 1, "]");
+        break;
     }
   }
 
diff --git a/config.h b/config.h
index b871419..9b3c6ee 100644
--- a/config.h
+++ b/config.h
@@ -224,7 +224,7 @@
 #define MAX_FX 99
 #define MAX_PERFORMANCE 99
 #define MAX_VOICECONFIG 99
-#define BANK_NAME_LEN 13 // FAT12 filenames (plus '\0')
+#define BANK_NAME_LEN 11 // 10 (plus '\0')
 #define VOICE_NAME_LEN 11 // 10 (plus '\0')
 #define FILENAME_LEN BANK_NAME_LEN + VOICE_NAME_LEN
 
diff --git a/dexed_sd.cpp b/dexed_sd.cpp
index fd984ce..aaa7926 100644
--- a/dexed_sd.cpp
+++ b/dexed_sd.cpp
@@ -46,9 +46,11 @@ bool load_sd_voice(uint8_t b, uint8_t v, uint8_t instance_id)
   {
     File sysex;
     char filename[FILENAME_LEN];
+    char bank_name[BANK_NAME_LEN];
     uint8_t data[128];
 
-    sprintf(filename, "/%d/%s", b, bank_names[instance_id][b]);
+    get_bank_name(b, bank_name, sizeof(bank_name));
+    sprintf(filename, "/%d/%s.syx", b, bank_name);
 
     sysex = SD.open(filename);
     if (!sysex)
@@ -64,10 +66,12 @@ bool load_sd_voice(uint8_t b, uint8_t v, uint8_t instance_id)
     if (get_sd_voice(sysex, v, data))
     {
 #ifdef DEBUG
+      char voice_name[VOICE_NAME_LEN];
+      get_voice_name(b, v, voice_name, sizeof(voice_name));
       Serial.print(F("Loading voice from "));
       Serial.print(filename);
       Serial.print(F(" ["));
-      Serial.print(voice_names[instance_id][v]);
+      Serial.print(voice_name);
       Serial.println(F("]"));
 #endif
       bool ret = MicroDexed[instance_id]->decodeVoice(data);
@@ -83,6 +87,7 @@ bool load_sd_voice(uint8_t b, uint8_t v, uint8_t instance_id)
     else
       Serial.println(F("E : Cannot load voice data"));
 #endif
+    sysex.close();
   }
 #ifdef DEBUG
   if (found == false)
@@ -615,25 +620,9 @@ uint8_t calc_checksum(uint8_t* data, uint16_t len)
   return (bulk_checksum_calc & 0x7f);
 }
 
-void create_sd_voiceconfig_filename(char* filename, uint8_t b, uint8_t instance_id)
-{
-  // init and set name for actual bank
-  memset(filename, 0, FILENAME_LEN);
-  sprintf(filename, "/%d/%s", b, bank_names[instance_id][b]);
-#ifdef DEBUG
-  Serial.print(F("Created filename from bank "));
-  Serial.print(b, DEC);
-  Serial.print(F(" and name "));
-  Serial.print(bank_names[instance_id][b]);
-  Serial.print(F(": ["));
-  Serial.print(filename);
-  Serial.println(F("]"));
-#endif
-}
-
 void strip_extension(char* s, char* target)
 {
-  char tmp[BANK_NAME_LEN];
+  char tmp[FILENAME_LEN];
   char* token;
 
   strcpy(tmp, s);
@@ -644,152 +633,136 @@ void strip_extension(char* s, char* target)
     strcpy(target, token);
 }
 
-bool get_voice_names_from_bank(uint8_t b, uint8_t instance_id)
+bool get_bank_name(uint8_t b, char* name, uint8_t len)
 {
   File sysex;
-  uint8_t voice_counter = 0;
-  int32_t bulk_checksum_calc = 0;
-  int8_t bulk_checksum;
-
-  b = constrain(b, 0, MAX_BANKS - 1);
-
-  // erase all data for voice names
-  memset(voice_names[instance_id], 0, MAX_VOICES * VOICE_NAME_LEN);
 
   if (sd_card > 0)
   {
-    char filename[FILENAME_LEN];
+    char bankdir[4];
+    File entry;
 
-    sprintf(filename, "/%d/%s", b, bank_names[instance_id][b]);
+    memset(name, 0, len);
 
-#ifdef DEBUG
-    Serial.print(F("Reading voice names for bank ["));
-    Serial.print(filename);
-    Serial.println(F("]"));
-#endif
+    sprintf(bankdir, "/%d", b);
 
-    // try to open bank directory
-    sysex = SD.open(filename);
+    // try to open directory
+    sysex = SD.open(bankdir);
     if (!sysex)
       return (false);
 
-    if (sysex.size() != 4104) // check sysex size
-    {
-#ifdef DEBUG
-      Serial.println(F("E : SysEx file size wrong."));
-#endif
-      return (false);
-    }
-    if (sysex.read() != 0xf0)  // check sysex start-byte
-    {
-#ifdef DEBUG
-      Serial.println(F("E : SysEx start byte not found."));
-#endif
-      return (false);
-    }
-    if (sysex.read() != 0x43)  // check sysex vendor is Yamaha
-    {
-#ifdef DEBUG
-      Serial.println(F("E : SysEx vendor not Yamaha."));
-#endif
-      return (false);
-    }
-    sysex.seek(4103);
-    if (sysex.read() != 0xf7)  // check sysex end-byte
+    do
     {
-#ifdef DEBUG
-      Serial.println(F("E : SysEx end byte not found."));
-#endif
+      entry = sysex.openNextFile();
+    } while (entry.isDirectory());
+
+    if (entry.isDirectory())
       return (false);
-    }
-    sysex.seek(3);
-    if (sysex.read() != 0x09)  // check for sysex type (0x09=32 voices)
-    {
+
+    strip_extension(entry.name(), name);
 #ifdef DEBUG
-      Serial.println(F("E : SysEx type not 32 voices."));
+    Serial.print(F("Found bank-name ["));
+    Serial.print(name);
+    Serial.print(F("] for bank ["));
+    Serial.print(b);
+    Serial.println(F("]"));
 #endif
-      return (false);
-    }
-    sysex.seek(4102); // Bulk checksum
-    bulk_checksum = sysex.read();
 
-    sysex.seek(6); // start of bulk data
+    sysex.close();
 
-    for (uint16_t n = 0; n < 4096; n++)
-    {
-      uint8_t d = sysex.read();
+    return (true);
+  }
 
-      if ((n % 128) >= 118 && (n % 128) < 128) // found the start of the voicename
-      {
-        voice_names[instance_id][voice_counter][(n % 128) - 118] = d;
-      }
-      if (n % 128 == 127)
-        voice_counter++;
-      bulk_checksum_calc -= d;
-    }
-    bulk_checksum_calc &= 0x7f;
+  return (false);
+}
+
+bool get_voice_name(uint8_t b, uint8_t v, char* name, uint8_t len)
+{
+  File sysex;
+
+  if (sd_card > 0)
+  {
+    char bank_name[BANK_NAME_LEN];
+    char filename[FILENAME_LEN];
 
+    b = constrain(b, 0, MAX_BANKS - 1);
+    v = constrain(v, 0, MAX_VOICES - 1);
+
+    get_bank_name(b, bank_name, sizeof(bank_name));
+    sprintf(filename, "/%d/%s.syx", b, bank_name);
 #ifdef DEBUG
-    Serial.print(F("Bulk checksum : 0x"));
-    Serial.print(bulk_checksum_calc, HEX);
-    Serial.print(F(" [0x"));
-    Serial.print(bulk_checksum, HEX);
+    Serial.print(F("Reading voice-name from ["));
+    Serial.print(filename);
     Serial.println(F("]"));
 #endif
 
-    if (bulk_checksum_calc != bulk_checksum)
-    {
+    // try to open directory
+    sysex = SD.open(filename);
+    if (!sysex)
+      return (false);
+
+    memset(name, 0, len);
+    sysex.seek(124 + (v * 128));
+    sysex.read(name, min(len, 10));
+
 #ifdef DEBUG
-      Serial.print(F("E : Bulk checksum mismatch : 0x"));
-      Serial.print(bulk_checksum_calc, HEX);
-      Serial.print(F(" != 0x"));
-      Serial.println(bulk_checksum, HEX);
+    Serial.print(F("Found voice-name ["));
+    Serial.print(name);
+    Serial.print(F("] for bank ["));
+    Serial.print(b);
+    Serial.print(F("] and voice ["));
+    Serial.print(v);
+    Serial.println(F("]"));
 #endif
-      return (false);
-    }
+
+    sysex.close();
+
+    return (true);
   }
 
   return (false);
 }
 
-uint8_t get_bank_names(uint8_t instance_id)
+bool get_voice_by_bank_name(uint8_t b, const char* bank_name, uint8_t v, char* voice_name, uint8_t len)
 {
-  File root;
-  uint8_t bank_counter = 0;
-
-  // erase all data for bank names
-  memset(bank_names[instance_id], 0, MAX_BANKS * BANK_NAME_LEN);
+  File sysex;
 
   if (sd_card > 0)
   {
-    char bankdir[4];
+    char filename[FILENAME_LEN];
 
-    do
-    {
-      // init and set name for actual bank directory
-      sprintf(bankdir, "/%d", bank_counter);
+    sprintf(filename, "/%d/%s.syx", b, bank_name);
+#ifdef DEBUG
+    Serial.print(F("Reading voice-name from ["));
+    Serial.print(filename);
+    Serial.println(F("]"));
+#endif
 
-      // try to open directory
-      root = SD.open(bankdir);
-      if (!root)
-        break;
+    // try to open directory
+    sysex = SD.open(filename);
+    if (!sysex)
+      return (false);
+
+    memset(voice_name, 0, len);
+    sysex.seek(124 + (v * 128));
+    sysex.read(voice_name, min(len, 10));
 
-      // read filenames
-      File entry = root.openNextFile();
-      if (!entry.isDirectory())
-      {
-        strcpy(bank_names[instance_id][bank_counter], entry.name());
 #ifdef DEBUG
-        Serial.print(F("Found bank ["));
-        Serial.print(bank_names[instance_id][bank_counter]);
-        Serial.println(F("]"));
+    Serial.print(F("Found voice-name ["));
+    Serial.print(voice_name);
+    Serial.print(F("] for bank ["));
+    Serial.print(b);
+    Serial.print(F("|"));
+    Serial.print(bank_name);
+    Serial.print(F("] and voice ["));
+    Serial.print(v);
+    Serial.println(F("]"));
 #endif
-        bank_counter++;
-      }
-    } while (root);
 
-    return (bank_counter);
+    sysex.close();
+
+    return (true);
   }
-  else
-    return (0);
+
+  return (false);
 }
diff --git a/dexed_sd.h b/dexed_sd.h
index 1879711..1e9d666 100644
--- a/dexed_sd.h
+++ b/dexed_sd.h
@@ -36,10 +36,6 @@ extern void show_patch(uint8_t instance_id);
 
 extern uint8_t bank;
 extern uint8_t voice;
-extern char bank_name[NUM_DEXED][BANK_NAME_LEN];
-extern char voice_name[NUM_DEXED][VOICE_NAME_LEN];
-extern char bank_names[NUM_DEXED][MAX_BANKS][BANK_NAME_LEN];
-extern char voice_names[NUM_DEXED][MAX_VOICES][VOICE_NAME_LEN];
 extern uint8_t ui_state;
 extern uint8_t ui_main_state;
 extern config_t configuration;
@@ -66,7 +62,9 @@ bool save_sd_performance(uint8_t p);
 bool get_sd_data(File sysex, uint8_t format, uint8_t* conf);
 bool write_sd_data(File sysex, uint8_t format, uint8_t* data, uint16_t len);
 uint8_t calc_checksum(uint8_t* data, uint16_t len);
-void strip_extension(char* s, char *target);
-bool get_voice_names_from_bank(uint8_t b, uint8_t i);
-uint8_t get_bank_names(uint8_t instance_id);
+void strip_extension(char* s, char* target);
+
+bool get_bank_name(uint8_t b, char* name, uint8_t len);
+bool get_voice_name(uint8_t b, uint8_t v, char* name, uint8_t len);
+bool get_voice_by_bank_name(uint8_t b, const char* bank_name, uint8_t v, char* voice_name, uint8_t len);
 #endif