When creating a SFZ file this list comes in handy as a starting point.
C0 key=0
C#0 key=1
D0 key=2
D#0 key=3
E0 key=4
F0 key=5
F#0 key=6
G0 key=7
G#0 key=8
A0 key=9
A#0 key=10
B0 key=11
C1 key=12
C#1 key=13
D1 key=14
D#1 key=15
E1 key=16
F1 key=17
F#1 key=18
G1 key=19
G#1 key=20
A1 key=21
A#1 key=22
B1 key=23
C2 key=24
C#2 key=25
D2 key=26
D#2 key=27
E2 key=28
F2 key=29
F#2 key=30
G2 key=31
G#2 key=32
A2 key=33
A#2 key=34
B2 key=35
C3 key=36
C#3 key=37
D3 key=38
D#3 key=39
E3 key=40
F3 key=41
F#3 key=42
G3 key=43
G#3 key=44
A3 key=45
A#3 key=46
B3 key=47
C4 key=48
C#4 key=49
D4 key=50
D#4 key=51
E4 key=52
F4 key=53
F#4 key=54
G4 key=55
G#4 key=56
A4 key=57
A#4 key=58
B4 key=59
C5 key=60
C#5 key=61
D5 key=62
D#5 key=63
E5 key=64
F5 key=65
F#5 key=66
G5 key=67
G#5 key=68
A5 key=69
A#5 key=70
B5 key=71
C6 key=72
C#6 key=73
D6 key=74
D#6 key=75
E6 key=76
F6 key=77
F#6 key=78
G6 key=79
G#6 key=80
A6 key=81
A#6 key=82
B6 key=83
C7 key=84
C#7 key=85
D7 key=86
D#7 key=87
E7 key=88
F7 key=89
F#7 key=90
G7 key=91
G#7 key=92
A7 key=93
A#7 key=94
B7 key=95
C8 key=96
C#8 key=97
D8 key=98
D#8 key=99
E8 key=100
F8 key=101
F#8 key=102
G8 key=103
G#8 key=104
A8 key=105
A#8 key=106
B8 key=107
C9 key=108
C#9 key=109
D9 key=110
D#9 key=111
E9 key=112
F9 key=113
F#9 key=114
G9 key=115
G#9 key=116
A9 key=117
A#9 key=118
B9 key=119
C10 key=120
C#10 key=121
D10 key=122
D#10 key=123
E10 key=124
F10 key=125
F#10 key=126
G10 key=127
G#10 key=128
A10 key=129
A#10 key=130
B10 key=131