34 Key 72 Bass Piano Accordion. Keyboard 34 Notes G-E, Six Bass Rows Twelve notes each, Counter Bass, Fundamental Bass, Major, Minor, 7th and Diminished Chords. New, Fitted NAC Roll Away Trolly Case Designed for Maximum Protection, featuring a Telescoping Handle. New 2.5" Wide Leather Straps with Harness, Designed for Maximum playing comfort. New grill with improved switch plate design.