Flute Choir,Woodwind Ensemble Alto Flute,Bass Flute - Level 4 - Digital Download SKU: A0.559660 By Pentatonix. By Avriel Kaplan, Christopher J. Baran, Scott Hoying, and Talay Riley. Arranged by Lisa Ochoco. Contemporary. 21 pages. Lisa L Ochoco #3629099. Published by Lisa L Ochoco (A0.559660). Pentatonix is one of my favorite vocal groups. It is amazing how much sound they can create with just 5 voices.