Sa Isip Ko (Agot Isidro) cover – Coss Upam Okt 19, 2016 Cover, Cover Punk, Cover SA, You Must Stand Up My Comrades, Created with Sing! Karaoke on Smule – http://www.smule.com. Like 0 Thanks! You've already liked this « Sa isip ko by Agot Isidro(cover by rine) » SA ISIP KO by agot isidro (keyboard cover)