Medieval musician (8)
'medieval musician' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for minstrel that I've seen before include "the last person to inspire a lay!" , "Nanki-Poo, for instance" , "Travelling musician of the middle ages" , "Troubador" , "Travelling troubadour of old" .)
(Other definitions for lutist that I've seen before include "string player" , "musician" .)