Scott Hoying, courtesy Steve Thrasher. Scott Hoying has won three Grammys with a capella quintet Pentatonix, but when he released solo single “Mars,” he realized a dream he first had in high school. Back then, he was chasing pop superstar dreams, he said of two self-released albums. But he…

Pentatonix performs at Oakland Arena in Oakland on Nov. 17, 2022. Gavin Legaspi/STAFF. OAKLAND — Of the 12 albums released by a cappella quintet Pentatonix, six are Christmas records. Like clockwork, the extremely talented group has released a holiday LP every even year since 2014—the most recent being October’s…