Gennaro Mastrantonio aka Undeep entered the world of music by starting to play the transverse flute. For years, he continued to play it not only alone but also as a part of a orchestra.
A few years down the line, he discovered his passion for the Techno, after attending electronic music parties. At the age of 18, he decided to move to Milan and attend the School of Audio Engineering (SAE Institute) to learn the more technical part of this profession.
Influenced by the Techno and Minimal movement, in 2006 he began to produce music himself, and very quickly achieving international recognition. He released his first vinyl in 2008 with the German Label based in Hamburg ‘Eminor Records’. He immediately had an impact on international sales and charts, thanks to a sound Minimal Techno already defined by impressive and innovative rhythmic grooves, ranging between the hypnotic and underground sounds.
Gennaro began his DJ career in Milan at some of the city’s most exclusive clubs and events. In 2008, he played at the Italo Business Festival in Italy and from where, he went on a mini world tour playing in Hamburg, Varna (Bulgaria), Mexico City and Medellin (Colombia).
2009 set many land marks for Gennaro. After collaborating with an american guy named Billy Johnston, which gave his work a new fresh influence. The collaboration started with a release for Sleaze Records label with the track ''Space''. That release enjoyed a huge success especially the remixes made by Gary Beck and Elon!
Many of Gennaro’s productions have climbed high in the most important charts of the world’s major music distributors. In addition, he has earned a place in the TOP TENs of renowned DJs like Claude VonStroke, Maya Jane Coles, Tony Rohr, Umek, Namito, Steve Lawler, Paul Mac, John Acquaviva, Richie Hawtin, Pan-Pot, Sian, Perc and many others.
In 2010 he made a remix for the track ‘DotBomb’ by John Acquaviva & Ramon Zenker, for the Miami Compilation for the German label Colone based ‘BluFin’, it climbed to the Top Ten sellers of majors distributors, then it has been used for various CD’s Compilation of Ibiza house Clubs.
In 2010 and 2011, Gennaro went to the US to play for the Winter Music Conference in Miami (FL), on some of the city’s most famous clubs like ‘Nocturnal’, also for the showcase of the labels Sleaze Records, Perc Trax and BluFin. A few month's later, he flew to Mexico City again, to for the ‘Pleyades Festival’.
Gennaro began working with and for Apparel Music, a highly respected international label, created to provide an outlet for various styles. Thanks Apparel, Gennaro entered into the world of the House, Deep and Techouse. For 'Apparel Music' he is also in charge of the management for the sub-label ‘Apparel Music Limited’.
He recently played in London (UK) for the Apparel Music showcase at ‘Russian Bar’ and at other warehouse party's.
In 2011 Billy Johnston and Gennaro began working for one of the most important label's of the House scene, the Defected Records (ITH), they worked together on a remix of the track ‘God Made Me Phunky’ by ‘MD X-Spress’’, it was released for the occasion of the WMC 2011 on the compilation ‘Defected Miami Weapons’. Also Gennaro & Billy released an EP for Octopus Records (Sian’s label) under the name ‘The Villains’that it had a good success.
Also, in 2011 Gennaro played in Arnhem (Holland), in Berlin at Arena Club and for the Radio show live at sweatlodgeradio and in Tacheles. Then he went in Seoul (South Korea) for play in one of the biggest club in the city, the CLUB ELLUI.
In 2013 Gennaro played in New York at Sullivan Room, then in Seoul at club MUTE and in Berlin at Chalet as 'undeep'
Gennaro Mastrantonio has a huge number of collaborations with some of the biggest labels in the world, including Apparel Music, Defected Records, BluFin, Black Nation, Tic Tac Toe, 1605, Sleaze Records (Uk), Octopus Rec, , Italo Business, Eminor, Safari electronique, Perc Trax, Natural Rhythm and many more.