One Of These Days is mainly a grindcore band formed in Athens, Greece (2009)
by John Fill (Guitars) and Yannis (Guitars, Vocals).
After a longtime member search, John H. (Vocals) such as Philip F. (Drums) and Manos M. (Bass Guitar) joined the band which is the final line up until now.
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After a live rehearsal recording which held at the early of (2010) at Underground Studios and several live shows, the band decides to record their first 'Promo EP' so that present a more professional and serious work in general public.

The drum recording took place at Underground Studios by Jim Kats and guitars, bass guitar and vocals recorded at the personal home studio of John Fill which also undertook the part of mixing and mastering.
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The aim of the band is to release and promote the 'Promo EP' primarily through concerts and through the worldwide web.

Source : one of these days