(Music Sales America). Trevor Wye's acclaimed "Practice Books for the Flute" have now sold over 1 million copies and proved invaluable to players at every grade. Each book explores individual aspects of flute technique in concise detail. This revised edition features updated diagrams, clearer musical notation and improved overall design. Book 6: Advanced Practice is invaluable for both amateur and would-be professional players. It builds on knowledge gained in the earlier books, while also breaking new ground. Tone, posture, technique, articulation, the top register, breathing and intonation are all covered in depth.