Green Day in concert

Armstrong’s frenetic energy set the tone for a rambunctious night in L.A.

Related: Green Day shakes and shouts  (Jay L. Clendenin / Los Angeles Times)

Armstrong scuttled about the stage with an eagerness somewhere between James Brown and a riled-up badger.

Related: Green Day shakes and shouts  (Jay L. Clendenin / Los Angeles Times)

The concert is one of several warmup shows across the country before Green Day mounts a full tour behind the ambitious new album “21st Century Breakdown.”

Related: Green Day shakes and shouts  (Jay L. Clendenin / Los Angeles Times)

Bassist Mike Dirnt was all sinew.

Related: Green Day shakes and shouts  (Jay L. Clendenin / Los Angeles Times)

Green Day played a two-hour-plus set, with the second half of the night devoted to a hit parade of songs from the band’s older albums.

Related: Green Day shakes and shouts  (Jay L. Clendenin / Los Angeles Times)

The crowd sang along with the band and multiple fans were invited onstage to take over the microphone.

Related: Green Day shakes and shouts  (Jay L. Clendenin / Los Angeles Times)

Armstrong took deep catalog requests from the crowd.

Related: Green Day shakes and shouts  (Jay L. Clendenin / Los Angeles Times)

Among the concert highlights was Armstrong swapping instruments with Tre Cool for a country song and Armstrong sprawling onstage during the long crescendo of the Isley Brothers’ “Shout.”

Related: Green Day shakes and shouts  (Jay L. Clendenin / Los Angeles Times)