Avi Kaplan in a file photo taken during a Pentatonix appearance in Arlington. The bass singer says he’s “taking a step back” from the popular a cappella group, citing the pace of touring. Rachel Parker Star-Telegram archives
Avi Kaplan in a file photo taken during a Pentatonix appearance in Arlington. The bass singer says he’s “taking a step back” from the popular a cappella group, citing the pace of touring. Rachel Parker Star-Telegram archives

Pentatonix becoming a quartet?

May 12, 2017 6:42 PM