Steven Ray Allen has been confirmed as the composer of the startup and shutdown sounds in a podcast. Some system sounds are reused from Windows 98, created by Bill Wolford, as well as Brian Eno's "The Microsoft Sound" from Windows 95.

MIDI files:
"Canyon Music" / "Trip Through the Grand Canyon"
Composer: George Stone
Produced by The Music Data Company

"Passport Please"
Produced by The Music Data Company

RMI files:
"J.S. Bach's Brandenburg Concerto #3"
Composer: Johann Sebastian Bach
Courtesy of Midisoft Corporation

"Beethoven's Fifth Symphony"
"Fur Elise by Ludwig von Beethoven"
Composer: Ludwig von Beethoven
Courtesy of Midisoft Corporation

"Dance of the Sugar-Plum Fairy by Tchaikovsky"
Composer: Peter Ilyich Tchaikovsky
Courtesy of Midisoft Corporation

"Claire de Lune by Claude Debussy"
Composer: Claude Debussy
Courtesy of Midisoft Corporation

"In the Hall of the Mountain King by Edvard Grieg"
Composer: Edvard Grieg
Courtesy of Midisoft Corporation

"Mozart's Symphony No. 40 in G Minor"
Composer: Wolfgang Amadeus Mozart
Courtesy of Midisoft Corporation