Complex sentence: Registration for tickets to the 2013 festival began in June 2011 and ticket booking opened at 9am on Sunday 7 October 2012, selling out in one hour and forty minutes.
Split into simpler sentences: Registration for tickets to the 2013 festival began in June 2011 and ticket booking opened at 9am on Sunday 7 October 2012. Tickets for 2013 sold out in one hour and forty minutes.