Italian label founded in Naples in 1991 and former division of Flying Records . After bankruptcy of Flying Records in 1997, Media Records bought the publishing rights and restart it in 1998. The first release under Media Records control is [r=1186489].
After long hiatus, UMM started again in January 2017 with [r=9713632].
UMM stands for Underground Music Movement. This brand is used even for apparel line since the 90s.

Name variants:
- UMM
- Umm

Note: PR on the catalog # stands for Progressive, not for Promo.