As a musician Bob Israel has performed in concert with Nancy Wilson, Stanley Turrentine, Harry Connick, Dizzy Gillespie, Mary Wilson and Steve Allen. In addition to performing at the Inaugural Balls of Ronald Reagan, George Bush, and Bill Clinton he has performed for many corporate and associate events as an orchestra leader. The Washington Jazz Battalion Big Band, with whom he was the founder, leader, and principle trombone, was one of Washington's finest and attracted crowds of over a thousand people a night. The band was purchased by Blues Alley and became the Blues Alley Big Band directed by Bob Israel. More recent projects include the Artists-in-Residence program at Strathmore Hall and performing in the Potomac Orchestra, featuring such luminaries as Chuck Redd and Mike Cotter.