Originally conceived as a music-industry music.group_membership ( past guests include Stewart Copeland , The Sex Pistols ' Johnny Rotten , Steve Earle , Bruce Cockburn , Peaches , Patti Smith , Thomas Dolby , The Rolling Stones ' Andrew Loog Oldham , and Bullmoose ) , the conference in recent years has re-oriented itself as Interactive ( NXNEi ) – its presentations and panels focused on the integration of technology with creativity in music , film , and other art forms .