1) Sirena is the stage name of Stockholm, Sweden native, singer-songwriter Elsa Carmona. She released her debut single, "Love Is Not" in June of 2013. She is currently signed to Noonie Bao's record label, 2manyfreckles. 2) Sirena is post-hardcore band from Piscataway, New Jersey, USA. We are Sirena and we will not make claims of defining a genre of music or claim to be the best band out there, but we do claim to be different than other bands in the way we represent ourselves off stage. Read more about Sirena on Last.fm.