Brimhall is perhaps best known for his easy arrangements of classical and American popular music for piano students.
He studied at Loyola University, the University of San Francisco and Stanford University. Brimhall is thought to be the most published arranger of printed music in history, having sold over 75 million copies of over 500 books. His books are also published in Braille.Brimhall pioneered the "Bach to the Beatles with Brimhall" approach to music education, which became a global success by enabling beginning pianists to play the music of the Beatles while learning the classical lessons of musical theory.