Isang Ugat, Isang Dugo (Filipino: "One Vein, One Blood") is the eighth studio album by Filipino rock band Rivermaya, released on October 13, 2006, through Viva Records. Except for original track "Isang Bandila (One Flag)", it is a covers album featuring songs by Filipino artists in the 1980s, including The Jerks, Joey Ayala, and Wuds. Isang Ugat, Isang Dugo was the final album recorded featuring Rico Blanco as founding member and songwriter. "Isang Bandila" was used as the theme song for ABS-CBN's late-night television program Bandila from 2006 to 2018. The album went platinum in March 2007.