After battling cancer, musician and activist Pegi Young died on Tuesday, Jan. 1. She was 66.

Young was best known for her work with the Bridge School, an organization she founded with ex-husband Neil Young in 1987 to help children with physical and speech impairments. Pegi Young was also the co-host of the annual Bridge School benefit, a star-studded concert series that has elicited memorable performances from Tom Petty, Pearl Jam, R.E.M., Phish, Bruce Springsteen and more.

“Pegi Young – mother, grandmother, sister, auntie, musician, activist and co-founder of the Bridge School –  passed away surrounded by her friends and family in her native California,” read an official statement posted on her Instagram account. “We request that the families’ privacy be respected at this time.”

While still married to Neil Young, Pegi toured regularly as a supporting vocalist, and helped inspire classic tunes like “Harvest Moon” and “Unknown Legend.

In 2007 she released her self titled debut album, and continued to write as her marriage to Neil crumbled. Her her fifth solo LP Raw was a particularly emotional batch of songs, detailing her heartbreak and emotional recovery following her divorce.

“I am so grateful that I have the ability to express myself creatively,” she told Relix in 2017, while promoting the album.

Read Relix’s full Spotlight feature on Pegi Young here.

Watch the music video for Young’s 2017 song “Trying To Live My Life Without You” below: