Complex sentence: There is a work for concert band called "George Washington Bridge" (1950) by William Schuman but it has nothing to do with Sesame Street's Ernie's song or "Sobre las Olas".
Split into simpler sentences: There is also a work for concert band called "George Washington Bridge" (1950) by William Schuman. Note that work has nothing to do with Sesame Street's Ernie's song or "Sobre las Olas".