From the Publisher
Circular breathing allows the performer to sustain tone while inhaling, a tremendously valuable tool. For the first time, a method is available specifically for the flutist, covering developments of the embouchure and breathing co-ordinations needed to master circular breathing. Examples include orchestral passages, selections of solo literature from Bach to Varèse and circular breathing while articulating and playing multiphonics or whispertones.
Difficulty level, roughly compared to ABRSM exam grades. 0 is beginner, 9 is advanced (beyond grade 8).