Bosworth & Toller Anglo-Saxon Old English Dictionary - swég-cræft
According to the Old English Dictionary:
es;
swég-cræft
m. The art of playing on a musical instrument,
Related words:swég, II b :-- Ðá ongunnon ealle ða men hí herian on hyre swégcræft . . . Apollonius cwæð. 'Ic ongite ðæt ðín dohtor gefeól on swégcræft, ac heó næfþ hine ná wel geleornod, ' Ap. Th. 16, 17-24. sweg-cræft