Brian has released 39 albums as a band leader or band member. (Playing bass on 13 of the albums) Plus performed and/or recorded with Grammy winning jazz vocalist, Miles Griffith, (Won grammy with Wynton Marsalis Blood on the Fields) Peter O'Brien, Eric Person, Andy Sanesi, Bob Meyer, Erik Egol, Steve Rust, Christopher Dean Sullivan, Yutaka Uchida, Goerge Dulin, Danny Zanker, Jay Brunka, Dave Mullen, Tani Tabbal, Harvey Sorgen, Greg Lewis, Taru Alexander, Nick Gianni, Dave Berger, George Spanos, Travis Sullivan, Eishon Nose, Mike Pride, Chris Welcome, Ryan Berg, Eddy Khaimovich, Albey OnBass, Micheal Bisio, , Lamy Istrefi, Juini Booth, Leo Genovese and many more.
Brian Kastan has composed soundtracks for TV and Film (Featuring Robert Loggia-Nominated for Academy Award The God Father-Sopranos, Martin Kove, (Karate Kid/Rambo), Gilbert Gottfried, Jimmie Walker (Goodtimes), Michael Winslow (Police Academy) Todd Bridges (Different Strokes) Jewels McCullough (Playboy Playmate/Growing Pains, Composed Soundtrack for Blue Lives Matter movie with acclaimed movie director Dylan Bank) Plus, composed soundtrack for T.V. show Hospital Arrest.
Played guitar for Nonsuch Record Label, Rhys Cantham's "The Grissom Grail", http://www.nonesuch.com/albums/a-crimson-grail
Recorded Live at Lincoln Center in 2010.
Played MTV Rock the Vote at Rutgers University
Composer Representing Unites States/Focolare Movement/ Shown Via Satellite on 6 Continents (Budapest Blues) 2009.
Milton Avery,Willem De Kooning,Francoise Gilot (Pablo Picasso) Ernest Fiene,Robert Thorne, Manuel Ayso,Rudolph Ernst,Bahram Hajou,Lev Kropivnitsky, Francoise Gilot(Pablo Picasso),Maria Kastan,John Marim,Manuel Ayso,Rudolph Ernst,Albert O'Hayon,George Beecham.
Brian and Maria Kastan have also released the book called: