The LATimes has a good roundup of the music festivals happening this weekend, here's the cliffnotes version:
LA Weekly Detour Festival
Acts: Beck, Queens of the Stone Age, Basement Jaxx, Peeping Tom, Redd Kross, Blonde Redhead, !!!, Nortec Collective, Blackalicious, the Like, Of Montreal, the Elected, the Blood Arm, Oh No! Oh My!, Everybody Else, Wired All Wrong and DJ sets by Travis Keller and Steve Aoki.
Where: At Main and 1st streets, downtown L.A. (Entrances at Main and Temple streets and Main and 3rd streets.)
When: 2 p.m. Saturday
Price: $35.50
Grand Avenue Festival
Acts: Kinky (2:30 p.m.),choir and organ performances at the Cathedral of Our Lady of the Angels; mime, jazz and ballet at the Colburn School; the L.A. Philharmonic in collaboration with daKAH Hip Hop Orchestra at Walt Disney Concert Hall.
Where: Grand Avenue, between Temple and 4th streets, downtown L.A.
When: 11 a.m. to 5 p.m. Saturday
Price: Free
Eagle Rock Music Festival
Acts: Monsters Are Waiting, Great Northern, Future Pigeon, the Parson Redheads, Bodies of Water, Teddy's Cheer Club, the Movies, Francisco Aguabella, Eleni Mandell, Inara George, Jesca Hoop and others, as well as DJs and entertainment at various merchants along Colorado Boulevard.
Where: Colorado Boulevard, between Eagle Rock Boulevard and Argus Street
When: 5 p.m. to midnight Saturday
Price: Free; donations accepted to benefit Eagle Rock Center for the Arts
TarFest
Acts: Oohlas and West Indian Girl at Molly Malone's and an outdoor show Sunday with the Submarines and Bitter:Sweet at the La Brea Tar Pits Park.
Where: Molly Malone's, 575 S. Fairfax Ave., L.A.; La Brea Tar Pits Park, 5801 Wilshire Blvd., L.A. See website for art, film venues.
When: 8 p.m. Friday (Molly Malone's); noon Sunday (La Brea Tar Pits Park)
Price: Friday, $6; Sunday, free