SensoriaPro, part of the main Sensoria event, has been extended to two days in 2011, May 5 and 6, with other speakers this year including DJ Mary Anne Hobbs, journalist and musician John Robb, Guardian music writer Dave Simpson and Heaven 17's Martyn Ware Heaven 17.

Sensoria itself takes place from April 29 to May 8 in Sheffield with former KLF mainstay Bill Drummond becoming the festival's first composer in residence. Drummond will compose a new score every day of ...