Simplify the following text for a Grade 9 native English-speaking person.
Original: Bellamy 's father , George , was rhythm guitarist in the 1960s pop group The Tornados , who were the first British band to have a United States number one song , with `` Telstar '' .
Simplified: George Bellamy was also a guitarist and was in a band called `` The Tornados '' , who had a number-one hit in the United States with the song `` Telstar '' .