Multi-instrumentalist and director Olivia Hadjiioannou as the artist Oh. has been honored for her ingenuity, innovation and creativity in music and video with multiple international awards. She made her debut as Oh. on the international music scene with the award-winning music video, "Trials" in 2013 – cited as one of the 50 top events to mark Greece during the economic crisis. With the advances of immersive video, she released her single "Love of Avalanches", mentioned in Huffington Post as one of first 360-degree immersive VR videos released by a Greek artist on YouTube in 2016.

The music video "Red Lion" is presently a winner and official selection in 12 film festivals worldwide. Winner of Best Music Video award in the inaugural French Riviera Film Festival (FRFF) in Cannes, France. Winner Best Music Video at the Cosmocinema Film Festival in London. Winner of the Best Music Video Short in The Psychedelic and Transpersonal Film and Music Festival that took place on May 25, 2019 at The Producer’s Club in New York City. Winner Best Experimental Mixed Media Short Film at the Paleochora Lost World Short Film Festival in Southwestern Crete in Greece. Read more in her Bio and EPK

The EP “Metallia” has received over 32 reviews from 13 countries worldwide, is in top 10 progressive rock and metal charts and listed as one of the best albums of the year for 2018 on Metal Nation Radio.