All sixpences: sixpence being the usual sum paid by each couple, for music at country wakes and hops. Fiddler’s fare; meat, drink, and money. Fiddler’s pay; thanks and wine.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
fidlam ben * field lane duckNathan Bailey's 1721 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes