piosenka którą Luis śpiewa Layli - MOONDANCE
piosenka śpiewana przez chór - RAISE IT UP
pierwsza piosenka wykonywana przez Luisa - BACH/BREAK
kolejna wykonywana przy ucieczce Evana od jego opiekuna - SOMETHING INSIDE
ostatni utwór - AUGUST RHAPSODY
melodia grana w parku przez Luisa i Evana - DUELING GUITARS
kolejna piosenka wykonywana przez Luisa - THIS TIME
wiecej nie mam :)

za http://en.wikipedia.org/wiki/August_Rush

"Moondance"
Written by Van Morrison, Performed by Jonathan Rhys Meyers
"This Time"
Written by Chris Trapper, Performed by Jonathan Rhys Meyers
"Bari Improv"
Written by Mark Mancina and Kaki King, Performed by Kaki King
"Ritual Dance"
Written by Michael Hedges, Performed by Kaki King
"Raise It Up"
Written by Impact Repertory Theatre, Performed by Jamia Simone Nash and Impact Repertory Theatre
Nominated for an Academy Award for Best Original Song
"Dueling Guitars"
Written by Heitor Pereira, Performed by Heitor Pereira and Doug Smith
"Someday"
Written and Performed by John Legend
"August's Rhapsody"
The final number with Lyla and Louis begins with Lyla playing the Adagio-Moderato from Edward Elgar's Cello Concerto in E Minor.
Except for "Dueling Guitars", all of August's guitar pieces were played by American guitarist-composer Kaki King, performing as his hands for the movie.

http://www.youtube.com/watch?v=KMaFRxy6yQ8&feature=related :)