"Black Jack" is an English Country Dance tune in 6/8 time and F Major. The parts are played AB (Sharp, Walsh) or AABB (Karpeles, Raven).
The tune was first published in John Playford's Dancing Master in the supplement to the 3rd Edition (1665) and appeared in all subsequent editions through the 16th (1716), The key was changed in the final two editions (1721 & 1728). Playford's original "Black Jack" was also printed by John Walsh in his Compleat Country Dancing Master of 1718 and in editions of 1731 and 1754. Antoine Pointel printed it in Paris in 1700 in his Airs de Danses Angloises Hollandoises et Francoises a Deux Parties.
According to Grose's The 1811 Dictionary of the Vulgar Tongue a 'black jack' was "a jug to drink out of, made of jacked leather". The black jack was a sturdy leather tumbler lined with resin or black pitch as waterproofing and was a common tankard in alehouses and taverns.
The tune was printed in Barlow's The Complete Country Dance Tunes from Playford's Dancing Master (1985), Karpeles & Schofield's A Selection of 100 English Folk Dance Airs (1951), Raven's English Country Dance Tunes (1984) and Sharp's Country Dance Tunes (1909).