David is an established composer of choral music for both church and school, with approximately 400 pieces in print with major publishers such as Alfred, Shawnee Press, Hal Leonard, Beckenhorst Press, Hinshaw, Lorenz, and many others. His choral compositions and arrangements are frequently performed internationally. He is often commissioned to write for performing ensembles. In addition, he has written for orchestra, symphonic band, jazz band, chamber groups, and piano. Many of his compositions and arrangements feature a great variety of instrumental accompaniments.
He is also president and co-founder of Lantz Choral Publications, a small publisher of sacred choral music.
David is an annual award-winning member of ASCAP (American Society of Composers, Authors, and Publishers.)