Heldin A distorted crushing blend of slow melodic blues and pulverizing swampy metal riffs. Heldin is Aubrey Smith (Mustafina, TheBatterie, & Percy Jones & MJ-12) on vocals & keys, Phil Kester (Singkhol, Choban Elektrik, Gongzilla, & The Batterie) on drums, and Leandro Maciel (Beyond Reason, Carne Gaucha, & Sentimiento Incontrolable) on guitar.
Highly Effective People is: R.B. Korbet - bass, composition Vern Woodhead - guitars, composition Alex Baker - drums and other good stuff
