Canadian music legend Joni Mitchell turns 70 years old today.
In the course of her career, she's influenced countless artists, from Madonna (who says she "worshipped" Mitchell when she was in high school) to Led Zeppelin (whose "Going To California" is said to be about Mitchell), been inducted into the Rock and Roll Hall of Fame and received a Grammy Lifetime Achievement Award in 2002.
Mitchell was born Roberta Joan Anderson on November 7, 1943 in Fort Macleod, Alberta, and became interested in music while recovering from polio, which she contracted during a 1951 epidemic that also struck a 5-year-old Neil Young.
When Mitchell turned 20, she left Saskatoon, where her family had moved in 1955, and which she considered her hometown, for Toronto, where she began her career as a folk singer, busking on the streets when she couldn't afford to join the musicians' union.
In 1965, she headed to the U.S., where she wrote and performed original material at folk clubs and coffeehouses, gaining a reputation for her unique songwriting style and innovative guitar work.
Her music first found mainstream success via covers by artists like Judy Collins and Buffy Sainte-Marie. By the early '70s, Mitchell found fame and acclaim in her own right as a solo artist.
In honour of her 70th birthday, here's a selection of her music: