Enable 4 tone generators and detune by default

[ci skip]

src/performance.ini

@@ -15,32 +15,32 @@ BankNumber1=0
 VoiceNumber1=1
 MIDIChannel1=255
 Volume1=100
-Pan1=64
-Detune1=0
+Pan1=32
+Detune1=-11
 
 # TG2
 BankNumber2=0
 VoiceNumber2=1
-MIDIChannel2=0
+MIDIChannel2=255
 Volume2=100
-Pan2=64
-Detune2=0
+Pan2=96
+Detune2=11
 
 # TG3
 BankNumber3=0
 VoiceNumber3=1
-MIDIChannel3=0
+MIDIChannel3=255
 Volume3=100
-Pan3=64
-Detune3=0
+Pan3=48
+Detune3=-7
 
 # TG4
 BankNumber4=0
 VoiceNumber4=1
-MIDIChannel4=0
+MIDIChannel4=255
 Volume4=100
-Pan4=64
-Detune4=0
+Pan4=80
+Detune4=7
 
 # TG5
 BankNumber5=0