Conversation so far:
What were the 70's like for Bob Crewe's music production?
In 1975, Bob Crewe wrote and produced disco material for the Eleventh Hour.
Was Eleventh Hour's disco material by Bob Crewe a success?
The Eleventh Hour had dance club success with at least three releases, Hollywood Hot, Bumper to Bumper, and Sock It To Me/It’s Your Thing.
Did Bob Crewe release any new music in the 1970's?
Bob Crewe and Sir Monti Rock III formed  Disco-Tex and the Sex-O-Lettes and released new music.
Were Disco-Tex and the Sex-O-Lettes' Get Dancin and I Wanna Dance Wit' Choo hits?
Get Dancin and I Wanna Dance Wit' Choo were chart successes for Bob Crewe.

Question: What else did he do in the 70s?
Self-contained rewrite: What else did Bob Crewe do in the 70s besides his disco work?