After finishing his studies in Spain, he attended the Royal Flemish Conservatory of Antwerp where he studied clarinet with Walter Boeykens and bass clarinet with Jan Guns. Following this, he obtained a RAM scholarship to study with Andrew Marriner on the Postgraduate Course at the Royal Academy of Music in London. He has also participated in master classes with Wolfgang Meyer, Antony Pay, Colin Bradbury, Joan Enric Lluna, Michael Collins and Josef Horack (bass clarinet).
A keen player of contemporary music, Iñigo Alonso has been a member of the Aquarius Ensemble in Holland, and the UK based Composers Ensemble, The New Music Players and The Opera Group.
In July 1994 he was successful in gaining the place of principal clarinet doubling bass clarinet in the Pacific Music Festival Orchestra in Japan, and the following year in the Festival of Evian Orchestra in France. In Spain, he has played, Bilbao Symphony Orchestra, Galicia Symphony Orchestra and Liceo Theatre Orchestra. He has been Solo bass clarinet/clarinet with “deFilharmonie Orchestra Antwerpen” in Belgium and now he is currently a member of the Asturias Symphony Orchestra. He has also worked with Champ D'Action and “Vlaams Radio Orchestra” in Belgium as bass clarinet. Founder member of Trio Bernaola (clarinet, cello, piano), he has participated in many festivals around Europe and South America. In 2000 he gave the premiere of the bass clarinet concerto by K. Vlaak in Spain and returned in November 2002 to premiere Nino Diaz’s “Octubre”. He also has played as bass clarinet soloist with Banda Municipal de Oviedo.
He has given master classes at Bath University, “Jesus Guridi” Music School, Dartington Summer School, and taught in Buitrago Music School and St Aloysius College.
Actually he shares his work as freelance bass clarinet player with the artistic direction of International Music Festival/Course Vitoria-Gasteiz and Chamber Opera Taldea.