Flexibrass Flexitüden, Etudes for Trumpet, For trumpet in Bb or C, First exercises for the flexibass trumpet mouthpiece ""The lower lip holds, the upper lip swings"", By Michael Koch, 22 pages@+*9 Exercises:*@+@+, Slow eighth bindings in seconds, Slow eighth bindings in thirds, In thirds upwards, In quarters upwards, Flow study through all keys, Binding and bumping in sixteenths (short), Tying and bumping in sixteenths (long), Melodic phrases, Melodic Etudes