These tables are completely copied from http://www.io.com/~jimm/midi_ref.html.
Also check out the midi-instruments reference.

Note and Percussion Map

Here is a list of the notes and what number they map to. Also included are what percussion beat plays if you use the drum command (channel 10).

Key Note Sound Key Note Sound
35 C Acoustic Bass Drum 59 C Ride Cymbal 2
36 C# Bass Drum 1 60 C# Hi Bongo
37 D Side Stick 61 D Low Bongo
38 D# Acoustic Snare 62 D# Mute Hi Conga
39 E Hand Clap 63 E Open Hi Conga
40 F Electric Snare 64 F Low Conga
41 F# Low Floor Tom 65 F# High Timbale
42 G Closed Hi Hat 66 G Low Timbale
43 G# High Floor Tom 67 G# High Agogo
44 A Pedal Hi-Hat 68 A Low Agogo
45 A# Low Tom 69 A# Cabasa
46 B Open Hi-Hat 70 B Maracas
47 C Low-Mid Tom 71 C Short Whistle
48 C# Hi Mid Tom 72 C# Long Whistle
49 D Crash Cymbal 1 73 D Short Guiro
50 D# High Tom 74 D# Long Guiro
51 E Ride Cymbal 1 75 E Claves
52 F Chinese Cymbal 76 F Hi Wood Block
53 F# Ride Bell 77 F# Low Wood Block
54 G Tambourine 78 G Mute Cuica
55 G# Splash Cymbal 79 G# Open Cuica
56 A Cowbell 80 A Mute Triangle
57 A# Crash Cymbal 2 81 A# Open Triangle
58 B Vibraslap