Links:

ATU - Showtune Midis - Dozens of selected MIDI files from various plays and musicals.
All American Midi Files - Large collection of patriotic MIDI files from America the Beautiful to the Star Spangled Banner.
All American Patriotic Music - Patriotic MIDI music files, wav sounds, MP3s: marches, patriotic, and military songs.
Annie to Zorba MIDI Collection - Over 300 files: Broadway, movie, and holiday themes; famous artists -- Phantom of the Opera, Les Miserables, Mame, Hello Dolly, Gettysburg, Braveheart, River Dance, Elton John, Billy Joel, Glenn Miller, Enya, Yanni, and Michael Boyce.
Armenian Patriotic Songs - MIDI files of the melodies and GIF files of the lyrics in the Armenian alphabet.
Auld Lang Syne to Winter Wonderland - Over 100 Christmas and holiday MIDIs.
Disney MIDI - Music from almost every song of almost every Disney movie.
Donna's Christmas Carol Place - Free Christmas MIDI songs, printable lyrics, free animation, animated children's stories, Internet greeting cards.
Holiday Christmas MIDIs - JFDesigns - Free Christmas and other popular MIDI files to dress up your web page.
Jack's MIDI Music - American traditional and patriotic songs.
Joecool201's Midi Extravaganza - Includes extensive tv and movie themes as well as gaming and broadway midi.
Jordan O'Connell Memorial Celtic MIDI Archive - Traditional arrangements.
KHS National Anthems Page - Texts and music for patriotic songs of the German-speaking countries.
MIDIversidad - Spanish/English. Star Wars, Robotech, Popular, Latin music, movies and TV.
Movie and TV MIDI Files - Quality archive and some self-sequenced MIDI, mostly Science Fiction themes. Fill-in-the-blanks beginners' MIDI sequencing exercise with answer file.
Munzel's MIDI files - Movie and TV themes specializing in Dragonheart.
National Anthem - National anthems of over 150 countries in MIDI format.
National Anthems of the World - MIDI files and some lyrics for the anthems of all countries.
National Anthems of the World in MIDI - MIDI anthems of all countries.
Songs of the Union - Civil War songs and lyrics.
TV themes - Themes from television shows which have aired in Estonia.
The Great Midi Page - Though not as great as it says, this page has some of the recent songs and lots of television and movie MIDI files.
The John Williams MIDI Page - Many files from the work of this film music composer.
The Movie Music Page - MIDI main themes for several movies.
The Musical World of Rocky Horror MIDIs - Everything audio related to The Rocky Horror Picture Show. Includes over a gigabyte of MIDI and other sound files.
The Star Trek MIDI page - Large archive of Star Trek related MIDI files, more than 100 altogether; all main titles, many songs of Vic Fontaine and a mailing list.
The Star Wars MIDI Collection - Rated and sortable Star Wars MIDI music, intended to deliver the best version of each song.
Widgy's MIDI - Collection of some British TV show MIDIs