Forrás: Pulse. Bach, Mozart, Chopin, Foster, Sousa, Ellington, Bill Haley, Quincy Jones, and so many more. a History of Music. Pulse. Book.
Fordítás: Impulzus. Bach, Mozart, Chopin, Foster, Sousa, Ellington, Bill Haley, Quincy Jones, és oly sok más. A History of Music. Impulzus.