The first minutes of a rehearsal are extremely important and it is often with the choice of the first piece that determines the quality of the rehearsal. – – Bob Barton and Jean-Christophe Monnier assembled in two collections a wide selection of pieces perfectly adapted for the “warm-up” of musicians. – This repertory, composed of chorales and transcriptions of major classical melodies, is varied and interesting. The majority of these pieces can also be performed in concerts, except the “Trainin...