JamGrass: Progressive Bluegrass Jams on a Band Called Phish is a country and progressive bluegrass tribute album to the rock band Phish performed by a number of veteran Nashvillesession musicians, and released on March 23, 2004. The album's lead vocalist is Travis Stinson, who has performed on a number of occasions with The String Cheese Incident. The album mainly features material from the latter part of Phish's career.