Eighth Blackbird says thank you for their win at the 2016 GRAMMYs! Only CBS
Check out more GRAMMY coverage at CBS.com: http://bit.ly/1AsXJBL
Eighth Blackbird says thank you for their win at the 2016 GRAMMYs! Only CBS
Check out more GRAMMY coverage at CBS.com: http://bit.ly/1AsXJBL