Sergey Efimov aka Les Volga started his career as a DJ in 2002, performing mostly at private Psytrance and Dub events by Mental Traffic Promo during 2002 - 2010, and then turned his passion to Techno. Since 2010 Sergey has been taking part as a DJ in many local events including DEEPLAY - still one of the most famous series of techno parties in Ulyanovsk.

Les Volga appeared as a name and began his music production experiments in the end of 2015 and has his game face on it, intended to make his work heard and appreciated. Now the artist is interested in slow deep/dub and minimal groove sound, constantly working on music production and label collaborations.