Istambay by The Banyuhay

Here's an Original Pilipino Music (Pinoy Music, OPM) by the group of Heber Bartolome.. i have to search for the year when this group, The Banyuhay, got their break.. i guess they've their time with Mike Hanopol, or The Asin time or Sampaguita.. nah, i really have to do my homework.. for those who knew or have been with the times of this group, we'd love to hear your tale.. thank you!