There are several bands named Sangre:
1) "Sangre" is a male / female fronted crust / d-beat band from Amsterdam, Netherlands.
2) from Skellefteå/Sweden (Black Metal?),
3) from the US (Heavy Metal)Jagermeister Band from the Inland Empire SANGRE OFFICIAL
4) from Venezuela a Prog rock band from the 70's featuring Martinez & Pablo Manavello they released one album also called "Sangre" edited in Spain in 1971,