~Sailor Moon Midis Page!~
A collection of MIDI files - these ones are organized by which show (Japanese or English) or movie they are from.
Music
Midis
A nice collection of various Sailor Moon-related MIDI files.
Sailormusic.net – The Music of Pretty Soldier Sailor Moon
As the name suggests, an extensive collection of music from Sailor Moon in all its forms (anime, games, musicals, live action, etc.). Another unique offering is the cue sheets for every episode and movie's background music.