Abbreviations for Sources

This is a list of abbreviations used in file names to distinguish versions of tunes from different sources.
ASAndy Statman
BRBruce Rosen
BSFCBoston Scottish Fiddle Club
CHColin Hume
FBFacebook message
FHFiddle Hell handout from unknown source
JBJimmy Blue
JPLJean-Paul Loyer>
NEFFANew England Folk Festival Association
NMMNatalie McMaster
RJRoaring Jelly collection
SASarah Armstrong
SBSam Bayard
TCThursday Contra (Philly), Spuds
VRViola Ruth