He has worked extensively in film , TV and radio and presented -LRB- and wrote for -RRB- the ORGANIZATION@1 's series Time and Tune , Music Workshop and Let 's Sing .

He has worked extensively in film , TV and radio and presented -LRB- and wrote for -RRB- the ORGANIZATION@1 's series , `` Time and Tune '' , `` Music Workshop '' and `` Let 's Sing '' .
