Routinely called a "musician's musician," the pianist had an atypical career that even he called mysterious. He spent it returning to a handful of favorite composers, with acclaimed results.

"Manchild," the first single from Sabrina Carpenter's forthcoming album Man's Best Friend, enters this week's Hot 100 singles chart at No. 1, making a late-breaking bid for "song of the summer" status in the process.

Following a string of viral hits, the 20-year-old musician hones his sound on his debut album, Withered.

It's a great day when your favorite artist releases a new record. But what if they released seven new records at once, full of music you didn't even know existed? That's what Bruce Springsteen is doing on his forthcoming box set Tracks II: The Lost Albums.