The heart of L.A.’s underground music scene | Faceless warehouses and old storefronts

The building on the left with the lighted windows on Seventh Place in downtown Los Angeles is the location of a recent Joy Tactics party.

A box at the Joy Tactics party is set out for donations to help those affected by the Oakland fire.

Attendees listen to the music at the Joy Tactics party in downtown Los Angeles.

Music scene enthusiasts gather in an alley outside one of several underground parties that are held in warehouses and other spaces around downtown Los Angeles on a weekly basis.

Underground parties are held in warehouses and other spaces around downtown Los Angeles on a weekly basis.

Owners and managers of buildings used to house underground concerts often say they are unaware of any illegal uses of their property.

Flowers, candles and a note for the victims of an Oakland fire that killed dozens of people sit outside the site of one of several underground parties that are held in warehouses and other spaces around downtown Los Angeles.

A concert is staged in a warehouse on Ceres Avenue in downtown Los Angeles. The location was disclosed only to those who received a code from the promoter. Admission was $20, and a bouncer checked IDs at the door.