David Guerrier (born 2 December 1984) is a French classical trumpeter and cornet player. Life Born in Pierrelatte, Guerrier began his musical studies in 1990 at the Conservatoire du Tricastin first at the piano, then at the age of seven, he began to play the trumpet in Serge Vivarès' class. He met Pierre Dutot in Grasse in 1994 during an internship and joined his class at the Conservatoire de Lyon in 1997 after having obtained a special exemption given his young age (13 years). He perfected his skills there until 2000, also learning the baroque trumpet with Jean-François Madeuf, already developing his taste for playing the works studied on the original instruments of the composition. At the age of eleven, he participated in L'École des fans dedicated to Maurice André and five years later won the 1st Grand Prix de la Ville de Paris of the famous . In 2004, he was named Instrumental "Soloist of the Year" at the Victoires de la musique classique as a trumpeter. He received the same award in 2007 for his performance of the second movement of the Concerto by Henri Tomasi with the Orchestre national de France. He started learning the French horn in 2002 and very quickly became principal horn player of the Orchestre national de France. He studied at the French horn at the Conservatoire de Lyon until June 2006, applied for the position of horn teacher at the same school and was appointed in September 2006. But the management of the Conservatoire de Lyon did not want him to be both a student and a teacher, so he had to resign from the rank of student to be able to teach. He is a member of the Philharmonic Chamber (Emmanuel Krivine) and has also been principal horn player of the Orchestre de chambre de Paris (Kurt Masur) from 2004 to 2009 and then to the Luxembourg Philharmonic Orchestra (E. Krivine) from 2009 to 2010. Today, he is the principal trumpeter in the same ensemble. He has also recently started playing the tuba, trombone, violin and ophicleide. He attaches particular importance to interpreting works in the repertoire on instruments played at the time they were created. A few years ago, he founded the Turbulences ensemble (brass and percussion), an ensemble with variable geometry, which rediscovers the original repertoire by performing it on period instruments. His repertoire includes in particular Saint-Saëns' Septet