There are at least two artists with the name OH.. 1. A Progressive Rock and Metal artist from Greece (active from 2013 to present) 2. A Synth Pop / Electronica band from Germany (active in 1999) 1. OH. – is the alter ego of a female composer who lives in Athens, a multi-instrumentalist, songwriter and a sound producer with the unpronounceable name Olivia Hadjiioannou. She announced her arrival to the international music community in 2013, releasing a 24-minute debut EP “Sleeping World” — the song “Trials” later becoming one of the top-50 events to mark Greece at the end of the year …
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