8 - ./RELEASE_NOTES (Release notes).
9 - ./Changelog (Changelog).
10 - ./TODO (TO DO / Bug list).
15 - Section I: ./ahs_overview_i.html (Basic Commands).
16 - Section II: ./ahs_overview_ii.html (Extended Commands).
21 - ./annhell_api.html (C Language API).
26 - http://en.wikipedia.org/wiki/Key_signature (Key signatures) (tonalities) in Wikipedia.
27 - http://www.midi.org/about-midi/gm/gm1sound.shtml (General MIDI information).
30 Angel Ortega <angel@triptico.com>