The "Mamma Mia!" franchise star's recent performance has Mitchell fans suggesting she portray the music legend.

Joni Mitchell has never had a major charting hit, but her impact and legacy exceeds the need for such commercial measurements in today's landscape.

The Mamma Mia star learned the dulcimer during the pandemic, and paid homage to one of her heroes with a cover of California ...

The actor learned how to play the dulcimer during the pandemic, and her rendition is uncannily like the original.

Amanda Seyfried covered Joni Mitchell's 'California' on the dulcimer during an appearance on 'The Tonight Show.' ...

Amanda Seyfried may have lost the Wicked character Glinda to Ariana Grande, but she will NOT lose to other actresses should there be a Joni Mitchell biopic that is in the works!

Amanda Seyfried sounds eerily like Joni Mitchell when she sang her song "California" during an appearance on 'The Tonight Show Starring Jimmy Fallon,' promoting her upcoming television show 'Long ...

Last night, Amanda appeared as a guest on The Tonight Show and spoke to Jimmy Fallon about one of her quarantine hobbies: ...

What Joni Mitchell says, Joni Mitchell does - which was evident in her decision to quit performing. Find out her reasons for it here.

Amanda Seyfried showcased her musical talent on The Tonight Show Starring Jimmy Fallon, performing Joni Mitchell’s California ...

Amanda Seyfried was in Momma Mia, so obviously she can sing, but it’s safe to say we at Stereogum were not familiar with her game. Seyfried was a guest on Jimmy Fallon’s Tonight Show promoting her new ...