Choral & Classroom Composers/Write Bios January 14, 2019 22:01 Updated To learn more about our choral and classroom authors and composers, please follow the link below. Choral Composer Bios Related articles How to Order Hal Leonard Homeschooling Resources See all of our Play-Alongs Choral & Classroom Promotions Q: How can I purchase products that are out-of-print?