Pentatonix arranger Ben Bram thanks fans for helping the band win another GRAMMY. Only CBS
Check out more GRAMMY coverage at CBS.com: http://bit.ly/1AsXJBL
Pentatonix arranger Ben Bram thanks fans for helping the band win another GRAMMY. Only CBS
Check out more GRAMMY coverage at CBS.com: http://bit.ly/1AsXJBL