There are multiple artists under the name of "Momo".
1) True-school rapper from Bratislava - Petržalka, Slovakia . He is member of underground hip-hop group called Štrnásť, also know as XIV, or 14.
He have two solo albums, "Nepatrím medzi" (with all Štrnásť members), and "Stratená rovnováha". Third will be out soon..