Most of the files here are tune sets for specific English country dances. Most often they are one tune, in several keys for the benefit of players of instruments with limitations. They are made by combining the single tune files that can be found in the subdirectories with names like jig, reel, hornpipe, waltz, and so on. The "AG*.abc" files are sets of mixed tunes of specific rhythms, for dances without a specific tune.