Originally by The Mighty Diamonds
Have Mercy is a cover song performed by Phish that has been performed 17 times since its debut on April 1, 1986 at Hunt's. It has been played at 16 different venues, with the longest known version lasting 11:49. The current gap is 271 shows since the last performance. On average, it appears every 119 shows. This song is currently considered a bustout candidate due to an unusually long gap.