By the time of his death in 1900, he had composed over 100 works.

By the time of his death in 1965, he had composed over a hundred works.

The songs were composed over a 40-year period, from the 1920s to the 1960s.

He composed over three hundred music pieces and wrote several scientific works.

He composed songs for over 50 films between 1930 and 1965.

He first began composing in 1953 and composed over 200 works.

Series three, four and five were each single stories composed over multiple episodes.

He wrote background music for a number of popular television shows and composed over 700 commercials.

He has composed or arranged over 800 titles since age eight.

He has composed over 160 works including computer and improvisational music.