Thierry Alla was born in Algiers in 1955. He studied composition at the Bordeaux Conservatory, where he won a First Prize in the class of Michel Fusté-Lambezat in 1988 and a First Prize for electro-acoustics in the class of Christian Eloy in 1993. In parallel he studied musicology at the universities of Tours, Paris-Sorbonne and Rouen. In 2005 he presented a thesis on spectral music, under the direction of Pierre-Albert Castanet. Alla is one of the leading specialists in spectral music in France.
A doctor of musicology, he published Tristan Murail, la couleur sonore with Éditions Michel de Maule. A music education teacher, Alla also teaches the history of music, analysis and computer music. As a composer, he has marked himself out through his work on tone-color and micro-intervals. He has received several state commissions and his works are regularly premiered in France and abroad (Japan, China, Australia, United States, Germany, Spain, Thailand, Ireland, Slovenia, Canada).