I love when a topic catches fire like this one, a lot of information comes out. The web site that I was on is:
http://www.maurymuehleisen.com/
Maury was the headliner and Jim the backup when they first go together. Interesting that Maury was so confident in his ability that he would go from headliner to the backup without a squawk.
I'd love to find that first album, thanks for the Ingrid and Jim video - so cool. AJ is a jazz singer and accomplished pianist, Ingrid is remarried and owner/chef at "Croce's" in San Francisco.