PHOTOS: Grammy weekend begins with MusiCares Person of the Year tribute to Neil Young

Host Jack Black ponders auctioning off his pants for charity after he auctioned off his shoes and tie during the MusiCares Person of the Year tribute concert to Neil Young at the Los Angeles Convention Center. The Grammy Awards are Sunday night at Staples Center.  (Gina Ferazzi / Los Angeles Times)

Singer-songwriter Neil Young thanks the crowd after he was honored as the MusiCares Person of the Year.  (Gina Ferazzi / Los Angeles Times)

Stephen Stills, Graham Nash and David Crosby perform at the tribute.  (Gina Ferazzi / Los Angeles Times)

James Taylor performs with celebrity backup singers.  (Gina Ferazzi / Los Angeles Times)

Ben Harper performs at the tribute.  (Gina Ferazzi / Los Angeles Times)

Keith Urban, left, and John Fogerty  (Gina Ferazzi / Los Angeles Times)

Elvis Costello  (Gina Ferazzi / Los Angeles Times)

Shawn Colvin and Jason Mraz  (Gina Ferazzi / Los Angeles Times)

Dave Matthews  (Gina Ferazzi / Los Angeles Times)

The Red Hot Chili Peppers  (Gina Ferazzi / Los Angeles Times)

Sheryl Crow and Elton John honor Young before performing.  (Gina Ferazzi / Los Angeles Times)

Singer John Mellencamp performs Young’s “Down by the River.”  (Gina Ferazzi / Los Angeles Times)

Jackson Browne performs “Don’t Let It Bring You Down.”  (Gina Ferazzi / Los Angeles Times)

Stephen Stills and Sheryl Crow after performing “Long May You Run.”  (Gina Ferazzi / Los Angeles Times)

The group Lady Antebellum looks to Neil Young after performing his song “Only Love Can Break Your Heart.”  (Gina Ferazzi / Los Angeles Times)

Norah Jones, left, and Sasha Dobson sing “Tell Me Why.”  (Gina Ferazzi / Los Angeles Times)

Lucinda Williams, left, Emmylou Harris and Patty Griffin  (Gina Ferazzi / Los Angeles Times)

Dierks Bentley  (Gina Ferazzi / Los Angeles Times)

Keith Urban and Nicole Kidman arrive at the tribute.  (Gina Ferazzi / Los Angeles Times)

Singer Colbie Caillat shows off her look as she arrives at the tribute.  (Gina Ferazzi / Los Angeles Times)

Dwight Yoakam  (Gina Ferazzi / Los Angeles Times)

Actor Matthew McConaughey and girlfriend Camila Alves.  (Gina Ferazzi / Los Angeles Times)

Sheryl Crow  (Gina Ferazzi / Los Angeles Times)

Lady Antebellum  (Gina Ferazzi / Los Angeles Times)

Graham Nash, left, and Stephen Stills  (Gina Ferazzi / Los Angeles Times)

Jackson Browne and Diana Cohen  (Gina Ferazzi / Los Angeles Times)

The band Everest poses on the red carpet.  (Gina Ferazzi / Los Angeles Times)

Jason Mraz  (Gina Ferazzi / Los Angeles Times)

The band Wilco.  (Gina Ferazzi / Los Angeles Times)