How do deaf people enjoy concerts? ASL rock stars Amber Galloway and Julian Ortiz are sign language interpreters for live music events like the New York State Fair, Lollapalooza, and the Super Bowl.

Tens of thousands of Brazilians gathered at Rio de Janeiro’s mega-festival Rock in Rio on Friday, with many staking out spots of artificial grass all day to hear the headliner, Katy Perry. As her ...