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.
De Matteo played the role of Wendy Case in the FX original series Sons of Anarchy. The pilot episode aired September 3, 2008 and De Matteo continued making regular appearances into the series' sixth season. She was promoted to a series regular for the seventh and final season.