Original sentence: magazine was first published on 6 June 1981, edited by Geoff Barton , initially as a one-off supplement in the Sounds newspaper devoted to the current New Wave of British Heavy Metal (or 'NWOBHM' for short) and the rise of other hard rock acts such as AC/DC, who appeared on Kerrang
Edited sentence: magazine was first published on 6 June 1981, edited by Geoff Barton, initially as a one-off supplement in the Sounds newspaper devoted to the current New Wave of British Heavy Metal (or 'NWOBHM' for short) and the rise of other hard rock acts such as AC/DC, who appeared on Kerrang