Marching Band - Level 3 - Digital Download SKU: A0.1357530 By Smash Mouth. By Charles Miller, Gerald Goldstein, Harold Brown, Howard Scott, Lee Oskar, Leroy Jordan, Morris Dickerson, and Thomas Allen. Arranged by Carl Stephen Hammer. Pop,Rock,Ska. 32 pages. Carl Hammer #942077. Published by Carl Hammer (A0.1357530). Released in 1975 by the funk band War, and covered by the pop rock band Smash Mouth in 1998, Why Can't We Be Friends asserts an encouraging question that can be asked by anyone who is in a competitive or adversarial situation. Plus - it's just a fun tune! This arrangement makes this hit available to marching or pep bands.