Blackberry Blossom

Blackberry Blossom is the bluegrass tune in G, the one at every fiddle contest and somewhere near the middle of every flatpicker's road from beginner to not. Where it came from is murky. It was circulating in fiddle repertoires by the early twentieth century and has been on bluegrass records since the Flatt and Scruggs era. Past that the trail runs out, and the attributions you find online disagree with each other.

The name has a second problem, and sooner or later somebody will confuse you with it. An older and completely different Kentucky tune goes by Blackberry Blossom too, the one Ed Haley played, which people sometimes call Garfield's Blackberry Blossom to keep them apart. It is modal and lives in a different world from this one. When two players disagree about how Blackberry Blossom goes, this is usually why, and neither of them is wrong.

People practice this one because of how it is written. The chords move every half bar under a line that almost never stops for breath, a harmonic pace ordinary reels do not ask for. The A major in the fourth bar of the first part is the one change from outside the key, and it is the moment the tune stops sounding like every other G tune.

On a mandolin the A part is the famous cascade: eighth notes falling from the B at the seventh fret of the E string down to the E on the D string, nearly two octaves in three bars, with the chord shifting underneath you twice a bar. The B part flips the logic. It sits low on the E minor rock between B and E on the A string and lifts to the high G only once in each half, so the register you spent the first part descending through is where the second part starts. Both parts sign off on the same B-G-A-F sharp tag. What the tune really tests is evenness. At speed the cascade only sounds right if every note gets the same weight.