Piano Duet is an original Phish composition that has been performed 2 times since its debut on July 28, 1993 at Grady Cole Center. It has been played at 2 different venues, with the longest known version lasting 4:12. The current gap is 1354 shows since the last performance. On average, it appears every 43 shows. This song is currently considered a bustout candidate due to an unusually long gap.