Original sentence: Jake Tuckers's (the kid with the upside-down face) organ audition gag, where his performance sounds awful until his father, Tom, turns the sheet music upside-down is taken from a gag by Victor Borge, where he starts to play an odd sounding rendition of Rossini's William Tell Overture, until he flips the sheet music around and starts playing it correctly
Edited sentence: Jake Tuckers's organ audition gag, where his performance sounds awful until his father, Tom, turns the sheet music upside-down is taken from a gag by Victor Borge, where he starts to play an odd sounding rendition of Rossini's William Tell Overture, until he flips the sheet music around and starts playing it correctly