Musical career The Boomtown Rats Returning to Ireland in 1975, he became the lead singer of the Boomtown Rats, a rock group closely linked with the punk movement. In 1978, The Boomtown Rats had their first No. 1 single in the UK with "Rat Trap", the first new wave chart-topper in Britain. In 1979, they gained international attention with their second UK No. 1, "I Don't Like Mondays". This was both successful and controversial. Geldof had written it in the aftermath of Brenda Ann Spencer's attempted massacre at an elementary school in San Diego, California, in 1979. In 1980, The Boomtown Rats released the album Mondo Bongo.
Musical career The Boomtown Rats Returning to Ireland in 1975, he became the lead singer of the Boomtown Rats, a rock group closely linked with the punk movement. In 1978, The Boomtown Rats had their first No 1 single in the UK with "Rat Trap", the first new wave chart-topper in Britain. In 1979, they gained international attention with their second UK No. 1, "I Don't Like Mondays". This was both successful and controversial. Geldof had written it in the aftermath of Brenda Ann Spencer's attempted massacre at an elementary school in San Diego, California, in 1979. In 1980, The Boomtown Rats released the al.bum Mondo Bongo.