(PITTSFIELD, Mass.) – New York City-based pianist Bill Mays will offer a program called “Ten Decades of Jazz Piano” as part of the Pittsfield 10×10 Upstreet Arts Festival on Saturday, February 21, 2015, at 8pm, at Baba Louie’s Backroom. The program, a presentation of Berkshires Jazz, takes familiar works by 10 different composers – one…