1) Masters OF RAP (shortened "M.O.R.") were founded in 1997 as a loose union of different Berlin Hip Hop artists from the surrounding field of the disk company Royal Bunker. Initial members were the MCs Justus, Fumanschu and Kool Savas.

2) M.O.R. (short for Menace of Ruin) was formed in Montreal, Canada in 2005 by Geneviève (Menace Ruine, Preterite) and S. de la Moth (Menace Ruine, S/V\R). They performed live once and recorded an unreleased cassette before breaking up in 2006. In 2007 they continued to play together, changing name to Menace Ruine. In 2016 their M.O.R. cassette named "Anthems To The Disembodied" was released to celebrate its 10th year anniversary. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.