“I prefer not to be a calculated singer. I use my instincts with music – even if the song is very different for me, I like it, and trust it,” says Nicholson. “I started singing when I was 30, I went to a fiddle festival...

Ron Steen is literally the Godfather of Jazz Jams in Portland, Oregon, and one of the most successful musicians in the area. He has had an ongoing jam session since 1980, and has been hosting Produce Row for about 13 years. Any New York pros...