Demi Lovato surprise-releases a heartbreaking ballad about addiction and mistakes, “Sober,” that tugs at heartstrings. Paul McCartney returns with a new single that will have old fans waxing nostalgic, and new fans eager to rediscover the Beatles discography. Boy band PRETTYMUCH get a bit of that Ed Sheeran magic on their breezy new song “Summer on You.” Singer-rapper Bryce Vine offers up some swagger in the form of song on “On the Ball.” And Cheat Codes teams up with Little Mix for an EDM bop.

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Write to Raisa Bruner at raisa.bruner@time.com.

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