bestival fm was sponsored Supply by jokers ' masquerade Social_event there were 14 different musical venues at the bestival 2007 , these are - main stage , the big top , the bollywood bar , house of bamboo , bbc introducing ... , hidden disco , club dada , unk , bandstand , unk , come Motion dancing Social_event , the rizla arena , time for tease and loose Earnings_and_losses tea party Social_event .