Angeline Quinto introduces another version of her song “Nag-Iisa Lang” about everlasting love for her baby boy, Sylvio. Featuring a lullaby melody and Angeline’s soothing voice, the new rendition was produced by ABS-CBN Music creative director Jonathan Manalo, who also co-wrote the song with ABS-CBN Creative Communication Management (CCM) division head Robert Labayen. “Nag-iisa Lang” was first released in 2013 and was part of the soundtrack of the 2015 series “Pangako Sa’Yo.”