Each block is a song. Color = how overdue it was. Brighter = bigger gap relative to average.
Each bar shows how many shows since the song was last played, relative to its average gap. Bar extends past the center line = overdue.
Phish performed 21 songs at Greenstreets in Columbia, SC on October 13, 1990. 1 song returned after extended absences (bustouts). This was part of the 1990 Tour.