Martin Umlaut & Long John is an uprising DJ and producing duo from Slovenia.
In 2012, Martin Umlaut (Martin Pintar, 16) started mashing-up different EDM songs and with his exquisite sense for mixing made some very good mash-ups. Later on, in 2013 he inspired his older brother Long John (Jan Pintar, 17) and thanks to their sense of cooperation, they started making good music and different Mash Ups.