40 Petites Études for Tenor Trombone is a set of easy studies by Marcel Galiègue and Jérôme Naulais. Covering approximately half a page each they will help beginners to develop their skills and abilities. The keys include up to 4 flats and 3 sharps and the rhythms used are fairly easy and basic. These piece is a must-have for applying the basic theory for beginners. Marcel Galiègue and Jérôme Naulais are both French Trombone players who won the First Price of the Paris Conservatoire.