The lineup for the FireAid concert was announced yesterday, and it’s stacked.  Here are just some of the acts taking the stage:     Billie Eilish and Finneas, Gracie Abrams, Green Day, Gwen Stefani, Jelly Roll, Joni Mitchell, Katy Perry, Lady Gaga, Lil Baby, Pink, Red Hot Chili Peppers, Rod Stewart, Sting, Stephen Stills, Stevie Nicks, and Tate McRae.     Also, Dave Matthews and John Mayer will perform together for the first time.     One more act was announced yesterday:  Earth, Wind & Fire.     More acts and special guests will be announced in the lead-up to the show, which is scheduled for January 30th at the Intuit Dome and The Forum.     There will also be a live telethon streaming on multiple YouTube and Twitch channels on January 24th.     (Hollywood Reporter)