I'll list here as many as I can remember. I'm sure I will forget a lot as well.

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Aeneas
Amorgo Quartet
Argy Echosense
Black_Sun
Capitan Transition
Cosy (Lasse)
Crystal Zero
DJane Isis
Dimitris (Amorphia)
Dr Nek
El Mahico
Gaia 604
Honeybadger (GR)
Interstellar Overdrive
Iraklis Mindphaser
Kaede & Loki
Kallima
Malory Goa
Martin Equalizer
Masala
Mike Sync
Motel Room 35
Mysticism
Nikitas
Nikos Liquid Love
Ostatni
DJ Pascal
Rolling Stoned
Sativarious Joe
Shades Of Blue
Stavros Ahimsa
X-Dimension
Νους