Related Information for Sirena 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 repres.. read more