 Their first demos ("Hitler Demo" and "The Mojo Sessions") was heavily influenced by English punk rock, especially Sex Pistols and The Clash, with hilarious lyrics, but soon after attending a CBGB show of the Bad Brains, singer Jesse Malin and guitarist Jackie Flanagan decided to switch genres to the latest wave of punk, hardcore.Heart Attack existed for less than four years, part of the NYC hardcore scene with other bands such as the Beastie Boys, Kraut, Bad Brains, The Undead, The Mad, Reagan Youth, The Misguided and Even Worse.Heart Attack was the first band of the area to go on tour in the rest of the United States.