Jim Economides is name-checked on the cover of "Freak Out!" (1966) under the heading "These People Have Contributed Materially In Many Ways To Make Our Music What It Is. Please Do Not Hold It Against Them". He was a producer for Capitol Records, tried on suits in the studio while telling an engineer to put "more bass" on "Surfer Girl" by the Beach Boys while FZ was there trying to pitch him his Studio Z recordings. Economides also worked with Dick Dale & the Del-Tones, Johnny Burnette, The Lettermen, Jerry Cole & The Spacemen, Bobby Darin, Bobby Vee (engineer), and others.