As a third generation singer-songwriter Guthrie released her first self-titled album on the family owned and operated Rising Son Records in 2002.
Irion and Guthrie met through a mutual friend (Chris Robinson of the Black Crowes) while the two were working together in Los Angeles.
In 1999 Guthrie and Irion joined guitarist Tao Rodríguez-Seeger, grandson of Pete Seeger, and performed as a trio under the name RIG.
The Parents' Choice Awards program honors the best material for children in the categories of: books, toys, music and storytelling, magazines, software, videogames, television and websites.
[8] In 2011, Sarah Lee and Johnny signed with Berkeley independent record label, Ninth Street Opus and released Bright Examples.
At a centennial celebration tribute concert held on March 10, 2012, at the Brady Theater in Tulsa, Oklahoma, Sarah Lee and Johnny performed along with John Mellencamp, Arlo Guthrie, the Del McCoury Band and the Flaming Lips.
[11] In 2018, each embarked on solo projects, with Guthrie serving as opening act for her father's "Alice's Restaurant: Back by Popular Demand" tour[12] and Irion releasing a rock album Driving Friend.