Christian Lauba's 28th concert étude, Ennéa, is for solo soprano saxophone. Dedicated to Joonatan Rautiola, the subtitle is "Etude for the mastery of ninths, slaps and trills of large intervals."

Extended techniques include multiphonics (fingerings provided in score) and slap-tonguing.

Please Note: Physical copies available beginning May 2, 2018.