Horns Pocket Guide (Its a Pocket Guide (A6 size) to support the horn practice, between classes, where the teacher is not present for helping. With the knowledge of the instrument and a better understanding how it works, the horn player can make decisions that may help on his technical and interpretative performance. English and Portuguese Edition TOPICS -The Harmonic Series -How does the Horn works? -The Full Double Horn -Harmonic Series on B flat Side of the Horn -Harmonic Series on F Side of the Horn -Full Double Horn Fingerings and Intonation Tendencies -Bb Horn Standard Fingering -F Horn Standard Fingering -Full Double Horn Whole Tone Lip Trills Fingerings -Whole Tone Harmonics -The right hand on the bell -Horn Transpositions -How to Change a Rotary Valve Cord?)