Sentence:  Of additional interest to dance band musicians was the opening that month [November 1935] of an extension to Manchester's largest musical instrument store, Mameloks on Oxford Road. The store had a ballroom, café, lounge, and teaching rooms. The Dance Band and Variety booking agencies on its premises made it a center for ‘<WSD>gigsters</WSD>'. 
Meaning of the word marked with <WSD> tags:  A musician who plays gigs (shows).