So, if they want to play a concert Bb scale, they start on a C (they have to think up a whole step). Concert C is their D, Concert Ab is their Bb. Alto and baritone saxes, alto clarinet and most alto horns are Eb instruments: when they play a C it sounds like a Eb on the piano.
In addition to his feature film credits, Diaz is well-known for his many seasons on Showtime's award-winning series Weeds, where he plays the role of Guillermo, as well as his comedic performances on Chappelle's Show for Comedy Central.
Cruz plays Mando, a young Latino writer who interacts with the puppets and also loves technology. (AP Photo/Sesame Workshop, Gil Vaknin). This April 30, 2013 photo shows Puerto Rican actor Ismael Cruz Cordova, 26, of Sesame Street, posing in New York.