Rob Walker has performed with Ray Charles, The Supremes, The Four Tops, The Temptations, Wayne Newton, Natalie Cole, and the Moody Blues. He also has played Broadway touring shows of Chicago and Spamalot. He has appeared at a myriad of jazz festivals including Park City Jazz Festival, Gene Harris Jazz Festival, and the San Miguel deAllende Jazz Festival in Mexico. He appeared as jazz soloist with the United States Air Force Jazz Commanders and recorded "Call to The Post" for NBC's coverage of...