Complex sentence: The Nerves are most famous for Lee's "Hanging on the Telephone"; though it went unnoticed when it was originally released, Blondie turned the song into a UK top 5 single off their breakthrough album "Parallel Lines".
Split into simpler sentences: The Nerves are most famous for Lee's "Hanging on the Telephone". Though it went unnoticed when it was originally released, Blondie turned the song into a UK top 5 single off their breakthrough album "Parallel Lines".