This phrase appears to be a common misspelling or misremembering of the classic Greek folk song .
However, the initial text seems to hint at or reference a specific song or poem. There is a Greek song titled "Ti Koritsi Mou" (Τι κορίτσι μου, "My Little Girl") by various artists. Additionally, the term "Sirena" (Συρενά) might allude to the mythological Sirens, creatures who were half-bird, half-woman, known for their irresistible singing voices. h fili tis koris mou greek sirina free