The "foremost entertainers and studio musicians of the era" were members of the union, including a group that was a go-to for The Beach Boys, Frank Sinatra, and Elvis.
THE STUDIO MUSICIAN HAS ARRIVED T-Shirt
A perfect business card for a piano teacher or even a studio musician.
Carol Kaye, bassist extraordinaire, whose work propped up Phil Spector's Wall of Sound and drove the Beach Boys' "Good Vibrations". She also played the bass on "Light My Fire" and the theme from Shaft.