Javier Larrosa was born June 09, 1979 in Uruguay, Lavalleja State, City of Minas. Going away to live early to Brazil, place where they're know and friends influence of determining form in their musical taste. Discovering in the first years of the decade of the 90s its taste by house and electronic sounds. In 1998 it returns to his country (Uruguay), visits Millenium Dances (very representative club then in the Uruguayan electronic scene) knows Fernando Picon, dj resident of the club, as of that moment covered that that was what wished to do by the rest of its days. At the beginning of year 1999 it buys his first trays and his first discs, in his stage of musical experimentation as much discovers to Danny referring Dj Tenaglia that serious in those years, following to him his musical line passing through styles as house deep-house and tribal. In 2000 and 2001 with a technique not very polished, but already taking his first steps, it participates in events obtaining excellent presentations. In the 2002 he is already co producing of radial program (Ultrabeats) spread in 92.1 FM 'Digital' (Minas).In the 2002 it acquires participation like dj professional touching in clubs - Milenio Dance (MVDO) Dreams (Minas) El Reino (MVDO). In the summer of the 2003 it participates in innumerable events celebrations and radio show of Univer Dj. In Punta del Este FM del Sol 99.5 and in Montevideo 95.5 'Del Plata' FM. In the summer of the 2004 it discovers Punta del Este and its matchless electronic scene, obtaining will express in its diverse musical facets, during the day delights to public of Restaurants Lounges Inns with alternative sounds. And during the resident night being invited and of diverse events bars clubs and discos. From that then Punta del Este it is the chosen place, to spread his music in every summer. At the beginning of the 2006 Javiunder experiment changes in its sounds and appreciation musical under the influence of artists like Jimpster, Justin Martin, Gui Baratto, Loco Dice, Doctor Rockit, Matthias Tanzmann, Fabian Argomedo, Sebastian Schwartz, Killahertz, Eric Delay, Lanzzich, Lea Vemotte, Mujuice, Microboss, John Tejada, Alejandro Vivanco, Bvoice,Dave Dk, Sasse, Josh Wink, Sr.Replicante, Ung & Bastos, André X, Scsi-9, Sergio Helou, EFDEMIN, Terry Lee Brown Junior among others, developing a line of elegant sound eclectic generated from styles like deep-house deep-minimal and tech-house,In his role as a musician and music producer Javiunder and his partner Fabian Argomedo (Chile) works in various productions and remixes, editing various references of their own and international artists, participating in compiled headlined, starred artists; Aldo Cadiz, Markus Lange, Super Flu, Mathias Schaffhauser, Kolombo, Mark Broom, Ramon Tapia, Hermanez, Lee Van Dowski, Moonbeam, Simone Vitullo, Noir, Aki Bergen, Gaiser, Lopazz,Phonique, Gui Boratto, BVoice & Khz, Samim, D'Julz, Tiger Stripes, Andres Zacco, Support Artists: Luciano, Anthony Pappa, Danny Tenaglia, Richie Hawtin, Tim Green, Audiofly, Nick Warren, WestBoy, Dubfire, Misjah, Hermanez, Rob Pearson, Luca Bear, David Herrero, Pig and Dan, Luca Ricci, Dj PP, Ron Costa, Alex Young, Sis, Marco Carola, Loco Dice, Anderson Noise, Laurent Garnier, The Timewriter, 16Bit Lolitas, Timo Mass, Nice7, Mark Knight, Joy Kitikonti, Eric Entrena, The Junkies. Actually Javiunder worksat labels like: Whirpoolsex (Alemaña),Leutral Recordings(Alemania),Yore Records(Alemaña),Tanzbat (Alemaña), Resopal Schallware (Alemaña), Persistencebit Rec (Italia), Go Deeva (Italia), Pressure(Chile). Javiunder As DJ with projection international, to visit countries like Brasil: Club Thapyoka@Timbo (Santa Catarina), Bielle Club@Cascabel, Moinhodisco@Jaragua do Sul, Zoff Club@Sao Paulo, Tapas Club@Sao Paulo, Ice Club@Sao Paulo, Fosfobox@Rio de Janeiro, Maja@Rio de Janeiro, Dama deFerro@Rio de Janeiro, Sancho@Teresopolis, Emporium@Friburgo, Tamboata@Iraipava, Nossa Festa@Bello Horizonte, Danghai@Curitiba, Public Domain2@Porto Alegre. Chile, Club La Feria@Santiago, Piso33@Santiago, Soho Lounge@Santiago, Cine arte Alameda@Santiago, Micro Club La Salita@Santiago, Summer Beats@Puerto Varas, Bar 592@Concepción, Open Trole Bar@Viña del Mar. Argentina, Bar V8@Santa Rosa, Chocolate@Bahia Blanca, Jacos Club@Buenos Aires. Colombia Reconeccion Sudamericana@Bogota. Peru The vjs@ Lima, Mushroom @ Cusco. España: Sala Starus @ Miajadas, Teknofilia @ Merida. Portugal: Op Art @ Porto.