takes a dataframe with one row per show-song and reshapes it long again so that the rows are identified by combinations of gid, song_number, and songid.
Source:R/Repeatr_2.R
Repeatr_2.Rd
The first line of the data this was originally developed with:
washington-dc-usa-90387 FLS0001 03/09/1987 Wilson Center $5 300 Joey Picuri Fugazi Cassette Joe #1 Intro Song #1 Furniture Merchandise Turn Off Your Guns In Defense Of Humans Waiting Room The Word
"gid" is short for "gig id"