'Sing' cast – including Matthew McConaughey, Scarlett Johansson, Reese Witherspoon – join for a cappella rendition of McCartney hit on 'Tonight Show'
Joell Ortiz joins fiery rendition of musical's signature anthem "My Shot"
Our take on reworking of insta-classic musical by Lin-Manuel Miranda and a slew of pop patriots
Regina Spektor, Andra Day, Joell Ortiz also teamed for live stream from Richard Rodgers Theatre
Questlove and co. also channel Blake Shelton and the 'Hamilton' mixtape
Plus, the xx's Hall and Oates nod, Speedy Ortiz leader's pop-friendly solo effort
Metal heroes deliver bustling performance alongside 'Tonight Show' host, the Roots
Obama says gospel, R&B, rap music is "a mirror to who we are and a reminder of who we can be" at BET ceremony
"You got the power to change the world," Roots rapper says. "Make your voice heard"
Clarkson sings mournful ballad "It's Quiet Uptown," Rhymes joins Roots, Joell Ortiz, Nate Ruess for remix of urgent "My Shot"
Roots, Nas, John Legend, Alicia Keys also to appear on Lin-Manuel Miranda's star-studded album
Singer-songwriter also helped parody classic tracks by Simon & Garfunkel, Adele with #FallSongs segment
Broadway composer Jason Robert Brown joined the singer on 'The Tonight Show'
Long Beach rapper showcased a 'Prima Donna' cut on 'Tonight Show'
In addition to "Questlove Supreme" show, Roots drummer joins streaming service as first "artist ambassador"