Complex sentence: Its family-friendly storyline, universal themes and catchy music have resulted in numerous productions of "Joseph and the Amazing Technicolor Dreamcoat"; according to the Really Useful Group, by 2008 more than 20,000 schools and amateur theatre groups had successfully put on productions.
Split into simpler sentences: Its family-friendly storyline, universal themes and catchy music have resulted in numerous productions of "Joseph and the Amazing Technicolor Dreamcoat". In addition to numerous professional productions, according to the Really Useful Group, by 2008 more than 20,000 schools and amateur theater groups had successfully put on productions.