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.
Jeff Conaway who played Bobby Wheeler on the TV show Taxi and Kenickie in the film Grease. Jeffrey Charles William Michael Conaway was born October 5, 1950 in New York City. He is famous for playing the role of Bobby Wheeler on the TV show Taxi. He is also well know for playing the role of Kenickie in the film Grease and Zack Allen in the sci-fi series Babylon 5.