backup piece造句

She sailed through it with a little schmoozing, a few backup pieces on the piano and a touch of musical comedy.
Southworth's first published comics work was a short piece in Erik Larsen's Savage Dragon, followed by three issues of Infinity, Inc . Those issues, which he inked, also contained short backup pieces penciled by Southworth and inked by Stefano Gaudiano, who Southworth has occasionally assisted on projects like Daredevil and The Sensational Spider-Man.
It's difficult to find backup piece in a sentence. 用backup piece造句挺难的