sentences:  He attempted many world records for charity, mainly involving feats of longevity or speed on musical instruments.Many of these appeared in "Guinness World Records" editions, but musical feats are no longer featured in the same quantity as they were previously.In the 1980s, Blackwell worked as the Entertainments Manager at the Welcome Family Holiday Park, Dawlish Warren, Devon where he continued pleasing the crowds and breaking drumming records.