Bob Weir, the renowned guitarist, singer, and one of the founding members of the iconic band Grateful Dead, has passed away at the age of 78, according to reports from Los Angeles.

The news of Weir’s passing was shared on his Instagram account on Saturday, where a heartfelt statement conveyed the loss.

“It is with deep sorrow that we announce the passing of Bobby Weir,” the statement read. “He passed peacefully, surrounded by those he loved, after valiantly overcoming cancer in a way only Bobby could. Sadly, he succumbed to underlying lung issues.”

Weir’s journey with the Grateful Dead began in 1965 when he joined the band, then known as the Warlocks, in San Francisco at the tender age of 17. For the next three decades, he became a pivotal figure in the band, touring extensively alongside fellow musician Jerry Garcia, who passed away in 1995.

Throughout his career with the Grateful Dead, Weir contributed to the creation of several timeless songs, taking the lead on hits such as “Sugar Magnolia,” “One More Saturday Night,” and “Mexicali Blues.”

In the years following the Grateful Dead’s heyday, Weir continued to share his musical talents through various projects, including his involvement with Dead and Company.

“For over sixty years, Bobby took to the road,” the Instagram statement said. A guitarist, vocalist, storyteller, and founding member of the Grateful Dead. Bobby will forever be a guiding force whose unique artistry reshaped American music.”