What does LA rock legend Stan Ridgway share in common with Frank Sinatra? What's the common thread between the soundtracks of The Wizard of Oz, Pink Flamingos, and Superman: The Movie? How does the Now That's What I Call Music series coincide with R.E.M., Lynyrd Skynyrd, or Loretta Lynn?

The answer is, they've all had records mastered by Doug Schwartz at Mulholland Music. A complete discography may never be accurately compiled, but our friends at the All Music Guide have made go of it:

http://www.allmusic.com/artist/doug-schwartz-p123089/credits/date-asc/

Then, there's the film and television work...