LOS ANGELES, CA – AUGUST 28: Singer/songwriter Carly Rae Jepsen, musician Jack Antonoff, actress Alia Shawkat, musician Andrew Dost, singer/songwriter Anna Waronker, and Rachel Haden attend AUDIBLE IMPACT: Music & Activism at on August 28, 2015 in Los Angeles, California. (Photo by Rebecca Sapp/WireImage)

The Ally Coalition is headed west for Audible Impact—an event presented in partnership with the GRAMMY Museum, Lyft, Pandora, and HBO.

Expect a day of service, conversation, music, and readings with Jack Antonoff, Carly Rae Jepsen, Sarah Silverman, Yassir Lester, Andrew Dost, and Alia Shawkat.

The action starts with a service project at Pandora and continues with an educational workshop and panel at the GRAMMY Museum, followed by performances and an afterparty.