Global fame came when he won the Oscar for best original score in 2005 with the biographical fantasy Finding Neverland.
Wysocki played on seven of the band's eight albums.
The musician was battling prostate cancer.
Thompson was in the hospital recovering from an April heart attack.
The beloved, dogmatic music purist suffered a fatal heart attack on Wednesday (May 8).
She also portrayed Jean Harlow in a telefilm about Howard Hughes and starred with Sharon Stone in Wes Craven’s Deadly Blessing.
The musician was the last surviving artist to chart in the top 10 of the inaugural Hot 100 in 1958.
Olvera was shot dead over the weekend in Puebla, Mexico.
"This one hurts," Bieber wrote of his late friend and onetime roommate.
He handled albums from Buddy Guy, Bonnie Raitt and Lou Rawls and box sets of music from the likes of Nat King Cole, Miles Davis, Billie Holiday, T-Bone Walker and Amos Milburn.