The OH is a group made up of 15 to 60 instrumentalists dedicated to the interpretation of a wide symphonic repertoire that ranges from Baroque to contemporary, with an emphasis on classical style around 1800. Historically informed performance (HIP) is an integral part of our musical approach for any style.

Michael Form was born in Mainz (Germany) in 1967. Due to his double profile as a flutist and conductor and opera director, he has become one of the most versatile musicians of his generation with a repertoire spanning over 600 years of music history, from the polyphony of the late Middle Ages to modern music. His debut as opera director in 2004 with Les Indes Galantes by Jean-Philippe Rameau in Lausanne (Switzerland) marked his first success which would lead to a multitude of invitations. 

Since then he has directed no less than 160 opera performances in both Europe and America. Between 2006 and 2011 he was musical director of the "Winter in Schwetzingen" festival. Likewise, in 2007, Michael Form directed the American premiere of Motezuma, Vivaldi's opera discovered in 2002, at the Teatro de la Cuidad in Mexico. In 2012, he premiered with Alessando by Georg Friedrich Händel at the 35th edition of the «Internationale Händel-Festspiele» in Karlsruhe (Germany). In 2013, he conducted for the first time at the prestigious Frankfurt Opera the Rappresentatione di Anima, et di Corpo by Emilio de 'Cavalieri, along with an absolute premiere of Fulgur harmoniae by Austrian composer Klaus Lang.

Jonathan O. Álvarez Cermeño was born in Los Teques, Venezuela, in 1989. Since his training and musical career at a young age in the System of Youth and Children's Orchestras of Venezuela, he has been a regular member of almost a dozen well established symphony orchestras, and has worked with renowned conductors such as: Sir Simon Rattle, Gustavo Dudamel, Alondra de La Parra, Péter Eötvös, Juanjo Mena, among others. 

He has received master classes with leading members of the Berliner Philharmoniker and performed in some of the most important concert halls in Europe, Asia and South America. 

He was awarded a scholarship from the Academy of Ancient Music in Brunico (Italy) for the best young artists, trained in on period instruments from all over Europe and abroad. Recently, he has become member took part of Il Pomo d'Oro and the Academia de Música Antigua de Cantabria. In addition, he is co-founder and staff of the newly created Orquesta del Cantábrico.

Manuel Isaías Hernández was born in Araure, Venezuela in 1984. He began his musical studies at El Sistema, starting with cello classes with Diomar Gómez and Valmore Nieves and, later, with William Molina and Marek Gajzler at the Academia Latinoamericana de Violoncello, where he became a teacher himself in 2011. He was part of the Orquesta Sinfónica del Estado de Lara and, in 2004 he joined the Simón Bolívar Symphony Orchestra of Venezuela, under the baton of Gustavo Dudamel and conductors such as Sir Simon Rattle and Claudio Abbado. In 2013, he obtained the title of Bachelor of Music at UNEARTE. In 2009, he was part of the Ensemble RicercArte, a group dedicated to the study and interpretation of baroque music. 

In January 2013, he was co-founder and director of the "First DECUS MUNDI International Baroque Festival" in Venezuela. Abroad he has been trained by excellent musicians specialized in Historical Performance Practice. He currently resides in Spain studying baroque cello with Emmanuel Balssa at the Escuela Superior de Música de Catalunya (ESMUC) in Barcelona and receives viola da gamba classes with Juan Manuel Quintana.