Related Information for Bagatelle Bagatelle are an Irish rock band who first formed in the early seventies by Liam Reilly, Ken Doyle and John O'Brien, in Louth. In 1978 came their first hit single 'Summer in Dublin'.Fellow Irish musician Bono has commented on the impact that Bagatelle had on U2 in the early days of their career, Larry Mullen, of the same band, once famously said that he used to call them "Baga-Money", in reference to their fame, and that he wished that his band could be as.. read more