Artem Stoliarov born 28 September 1989, known professionally as ARTY and Alpha 9, is a Russian musician, producer and DJ. He has collaborated with Armin van Buuren, Above & Beyond, BT, Paul van Dyk, Mat Zo, OneRepublic and Matisse & Sadko. His debut album, Glorious (2015), peaked at number 14 on the US Dance/Electronic Albums charts.

Arty's debut release, "Inside of Me" / "Flip Flop" with Misha Kitone was followed by the EP Vanilla Sky, which appeared on the label Enhanced Music and brought him to the attention of many world-renowned DJs. The Enhanced Progressive label was the first to sign Arty as an artist.