Foster the People is headlining the sold-out show Sunday at LC Pavilion, and deservedly so. "Pumped Up Kicks" is one of those undeniable singles that will keep the California band in silk pajamas for the rest of their lives.

Foster the People is headlining the sold-out show Sunday at LC Pavilion, and deservedly so. "Pumped Up Kicks" is one of those undeniable singles that will keep the California band in silk pajamas for the rest of their lives.

But make sure to arrive early enough to catch Cults, the New York duo whose airy, modernized take on girl-group pop is just as infectious as the headliners' whistling chorus. Cults' self-titled debut album is one of the more ceaselessly entertaining sets of songs you'll hear this year; one can only hope Madeline Follin sings so sweetly in person.

Reptar opens the show.