Apparently (according to Kathryn Tickell) the Northumbrian shepherds Joe Hutton (Northumbrian pipes), Willie Taylor (fiddle) and Will Atkinson (mouth organ) wanted to call their album Joe and his Two Willies. (This may not carry the same connotations for American English-speakers.)

Anyway, the record company baulked at it, and it ended up being called Harthope Burn, after a local beauty spot.