Complex sentence: The Soup Dragons were a Scottish alternative rock band of the late 1980s and early 1990s, named after a character in the 1970s children's TV show, "Clangers", and best known for their cover of the Rolling Stones' "I'm Free".
Split into simpler sentences: The Soup Dragons were a Scottish alternative rock band of the late 1980s and early 1990s. Named after a character in the 1970s children's television show "Clangers", they are best known for their cover of the The Rolling Stones' song "I'm Free".