Ian McLagan, who found fame as the keyboardist in Small Faces, has died at the age of 69.
His official website confirmed he died on Wednesday in Austin, Texas, after suffering a stroke a day earlier.
Ian McLagan (1945 - 2014)
The musician, who also collaborated with the Rolling Stones, was a member of the Small Faces in the 1960s before they changed their name to Faces when Rod Stewart and Ron Wood joined the band in 1969.
He went onto record and perform with the Rolling Stones, playing on the band's 1978 album 'Some Girls', including the organ solo on the hit single 'Miss You'.
Rod Stewart with his former Faces bandmates as well as Rolling Stones member Bill Wyman, Ronnie Wood, Ronnie Lane, Rod Stewart, Ian McLagan and Kenney Jones.
Kenney Jones, Ian's bandmate in both groups, said he is "completely devastated" at the news, adding, "I know this goes for Ronnie and Rod also."
After releasing several solo albums, including a tribute to his Small Faces bandmate Ronnie Lane in 2008, Ian was inducted into the Rock and Roll Hall of Fame in 2012.
His manager, Ken Kushnick paid tribute, saying: "He was a beloved friend to so many people and a true rock 'n' roll spirit. His persona and gift of song impacted the music across oceans and generations."