The musician died at home, according to the medical examiner's office.
The musician's health had been in decline for several years, according to his brother, David Siegfried.
"It is actually quite a complicated format and he made it look easy," Steven Van Zandt wrote in tribute.
The R&B vocalist passed away on June 13 at her daughter's home in Vallejo, Calif.
Holdsworth was also co-founder of the revered Musician magazine.
The Songwriters Hall of Fame member also penned "Suspicious Minds" and "Hooked on a Feeling."
The rapper had a hand in some of the group's biggest hits.
The “In-A-Gadda-Da-Vida" co-writer was the last surviving member of the rock band's classic lineup.
The Disney legend and his late brother, Robert, also worked on 'Chitty Chitty Bang Bang,' and they wrote more songs for movie musicals than anyone in history.
The Oscar-nominated filmmaker died Thursday in New York from complications of cancer.
