The traditional flute. Mechanics of the Boehm flute ; Different varieties of concert flutes ; Fourth octave pitches ; The piccolo, alto and bass flutes ; Traditional flute writing -- Single sounds. Tone coloration ; Microtones ; Glissandi -- Multiple sonorities. Based on natural harmonics ; Based on fingerings of pitches in the chromatic scale ; Based on the microtonal segments -- Other resources. Flutter tonguing ; Percussive sounds ; Pitch blending ; Whisper tones and residual tones ; Jet whistles ; Singing and playing simultaneously ; Circular breathing.