Original sentence: Daniel was the first person to perform "the backslide", physically complicated dance technique, now known as the "moonwalk" on television, during a performance of Shalamar's "A Night to Remember" on, the British music show, Top of the Pops
Edited sentence: Daniel was the second person to perform "the backslide" (the first person being Geron Casper Candidate), a physically complicated dance technique, now known as the "moonwalk" on television, during a performance of Shalamar's "A Night to Remember" on, the British music show, Top of the Pops