Yet it was the next hit that was to become the group's signature song.

It became the signature song of a campaigning movie of the same name.

They started and ended with the locomotive hustle of their signature song 5-4-3-2-1.

It used to be the signature song of summer, heard above the hum of insects on hot walks through meadows or gorse.

It became his biggest hit and a signature song, selling more than 11 million copies worldwide.