Can't believe nobody's mentioned this yet. Very sad news. Those songs he composed for The Rutles verged on genius and he was also brilliant in 'The Innes Book Of Records' and not forgetting his early days in The Bonzo Dog Doo Dah Band.
My personal favourite:
This one at the beginning says a big fúck you to Noel Gallagher who he successfully sued for plaigirism for ripping off his song 'How Sweet To Be An Idiot' on Oasis' 'Whatever'