Original sentence: Decker testified that the ostinatos used in Perry's 2013 song "Dark Horse" and Flame's 2008 song "Joyful Noise" share “five or six points of similarity.In 2019, Decker testified as an expert witness in a lawsuit against Katy Perry, stating that Christian rapper Flame produced a "unique" eight-note “ostinato" - a repeating sequence of musical figures within a song - which Flame's legal team claims Perry plagiarized
Edited sentence: Among other statements that he would never have made in an academic discussion with his peers, Decker testified that the ostinatos used in Perry's 2013 song "Dark Horse" and Flame's 2008 song "Joyful Noise" share “five or six points of similarity.In 2019, Decker tarnished his own reputation when he testified as an expert witness in a lawsuit against Katy Perry, stating that Christian rapper Flame produced a "unique" eight-note “ostinato" - a repeating sequence of musical figures within a song - which Flame's legal team claims Perry plagiarized