There are two different bands called UMM. 1) UMM is a Portuguese Electronic Body Music group founded in 2008 by Bak Teria (Vocals), Ouija (Vocals) and J. Hex (Vocals). The band was the cornerstone in the development of the Portuguese Old-school EBM scene along with Lokomotiv. They share some members with bands like Control+Alt+Deus and Inquisidor Falico. 2) UMM is a Belgian band from Ghent led by Lise Daelemans.