The Argentinean counter-tenor and tenor, Pehuén Diaz Bruno, studied Lyrical Singing (tenor), Piano and Music Education at the Conservatorio de Música "Gilardo Gilardi" of the City of La Plata, as well as at the Early Music Department. of the Conservatoire Royal de Bruxelles, Belgium (Lyrical Singing, as counter-tenor).
Pehuén Diaz Bruno's performances in Argentina in recent years include::Soloist with the Orquesta & oro Estable del Teatro Colón and Ballet de Iñaki Urlezaga in the cantata Carmina Burana by Carl Orff, conducted by Luis Gorelik (Teatro Ópera, 2008, televised by Canal 7 & Crónica TV); Four seasons (with tour included) on the classic play La Celestina by Fernando de Rojas, singing counter-tenor and tenor roles, conducted and adapted by Daniel Suarez Marzal (Complejo Teatral de Buenos Aires, 2007-2008); Baroque opera "Les Indes Galantes" by (Jean P. Rameau), conducted by Gabriel Garrido (Teatro Colón, Buenos Aires, 2002; Member of Conjunto Vocal Musica Prohibita, 2007 (counter-tenor and 2nd tenor); Collaborations with the Orquesta Sinfónica Nacional Argentina, as a guest soloist; Carmina Burana by Carl Orff, conducted by Pedro I. Calderón (Teatro Nacional Cervantes, 2008, televised by Canal 7); Chichester Psalms by Leonard Bernstein, conducted by David Händel (Auditorio de la Cámara Argentina de Comercio, 2007); La Betulia Liberata by (W.A. Mozart), conducted by Antonio M. Russo (Catedral de la Ciudad Autónoma de Buenos Aires, 2006).
Pehuén Diaz Bruno's performances abroad include:: Baroque Opera Eliogabalo by (Francesco Cavalli conducted by René Jacobs at Theatre La Monnaie (Brussels, Belgium, 2004); Oratorio Messiah by George Frideric Handel), with the orchestra Studio de Musique Baroque du Conservatoire Royal de Bruxelles (Graz, Austria, 2003); Leading role (Jesus) in the rock opera Jesus-Christ Superstar by (Andrew Lloyd Weber), production of La Diffusion (Abbey of Villers La Ville, Belgium, 2004); Popular music show with symphony orchestra; Soloist (2nd Tenor) with the Europe Symphonic Orchestra, conducted by Pascal Peiffer, (Bütgenbach, Belgium, 2005). He currently lives in La Plata, Argentina.