A@H20, AKA Herden Lollia, is a self-taught musician,DJ, radio producer, music producer and chiropractor of Zen Shiatsu, based in Karystos/Evia. Founding member of the Greek post-punk groups "Ends With The Sea" (1983-1984) & "Winter Watercolors" (1984-1988) as a guitarist, singer, lyricist and composer.

In 2016, he released an album of his 2 groups entitled "Years 1984-1988" on Geheimnis Records. He has also composed scores for contemporary dance performances, video art and short films.

A pioneer of the local freestyle DJ scene, A@H2O started DJing in 1984 and continues to this day. A member of some of the most productive underground parties during the 00's (Muzak7, ZuLuTeK!, What! Street Party, Bass Class).

Active Radio producer at Paranoise Radio & Stegi Radio. He writes extensively in the local music press. Formerly a radio producer on Radiobubble, Channel 15 and Free FM.