Children's singer who earned a Grammy Award nomination for his album Be Bop Your Best in 2005.
He fronted the folk band The Limeliters during the 1980s.
His song "Teaching Peace" is considered one of the best children's songs of all time.
His career was inspired by his two sons, who he had with his longtime wife Kathy Grammer.
He is the father of pop singer Andy Grammer.