For a moment, I thought Dino Demise was a 50’s doo wop or lounge singer.
I think Dino DeMise is a film producer.
Los Dinos (Obscure reference)
You were close, Dino Demise decided that Dion DiMucci was a better name, he then joined the Belmonts and recorded hits like this one.
http://www.youtube.com/watch?v=FBtmaq0J2kU
and my favorite,
http://www.youtube.com/watch?v=xRjviO8negQ&feature=fvsr