Play Pipa - In the West a certain Tai Chi move is commonly called, "Play Guitar" or "Strum the Lute." In China it's called, "Play Pipa." The pipa is a traditional four stringed, 30 fretted Chinese lute with a 2,000 year history. It is held upright and plucked forward (pi) and back (pa), suggesting the movement in the tai chi martial application.
(Image from the Chao Feng Chinese Orchestra)