Anything heard on the first two CDs was sung, played, or programmed by Gary. Other people may start appearing on subsequent CDs. Depends...
影響
Harry Chapin looms. Tom Chapin looms right behind. George Winston is amazing, and Weird Al is my hero (how many accordion players have made it big out there?)
風格近似
Mostly himself. Think "Baritone", and most popular songs a fifth to an octave lower. The vocal range is OK, it's just not centered where most other people's vocal range is...
Gary has been playing music since the age of 5, which means for about 50 years (yes, he's old). You'd think he'd be better at it by now, but he's also a husband, father, engineer, scientist, marching band parent, and whatever else has been required by the demands of the moment over the last few decades. Nevertheless, he sings, and, at last tally, plays the guitar, piano, accordion, and bass (when he has to). He's also desperately trying to learn to program drums, but that will come with time...