Gangrena
There are a few bands named "Gangrena".
One of them is Polish HC/punk band. They released albums: "Oczy mrówki", "Gangrena", "Ślad człowieka".
Another band with this name started when two other bands merged in 1992.
In 1993 the band recorded their first demo tape with a new vocalist; the '93 promo tape had 3 tracks which were later included in their debut album "Infected Ideologies".
The band then toured playing with big acts such as Carcass, Pungent Stench, Brutal Truth, Macabre, etc.