Abandoning a career as a biologist, Otten studied for a diploma in lyrical song at the Conservatoire National de Région (National Research Council) in Lille followed by further studies in early music at the National Research Council in Paris.
Otten was classically trained as a child, learning piano and singing in chamber choirs. His voice did not break as thoroughly as usual upon reaching adolescence, retaining a high contralto range. Signed to Electric and Music Industries subsidiary, Virgin Music, and released his first album in 1999, which was composed by Frédéric Momont.
A second followed in 2003 also released by Virgin Music (both albums were released in United States of America on Higher Octave label).
A compilation disc was released by Strathan Media Productions in 2007, followed by a duo album with Stéphanie Arcadias released by Strathan Music in 2011. The latest album, Transcend to Void, with Kyle Kamal Helou on Shakuhachi, will be released on Magnatune.com (August 2014).
Member American Association Zoological Parks and Aquariums, International Association Aquatic Animal Medicine, International Society Zooculturalists, Marine Mammal Interest Group (chairman 1990).
