Original sentence: The song debuted at number one on the UK Singles Chart at number one on the issue date of July 5, 2009, becoming the group's first UK chart-topper
Edited sentence: The song debuted at number one on the UK Singles Chart the issue date of July 5, 2009, becoming the group's first UK chart-topper, beating Michael Jackson's "Man In The Mirror" to the top spot in the week after his death