ATONAL FUGUE

> DAVID HARPER

> CREATIVE TECHNOLOGIST. BEBOP IMPROVISER.

>

> THE LINEAR DISPLACEMENT THEOREM:

> f(x) = (x - p) / sqrt(x - p)

>

> WHERE p IS A PITCH CENTER (0=C TO 11=B)

> CREATING HARMONIC DISCONTINUITY THROUGH

> CONTRAST AND MEMORY.

>

> "WHEN ALL ELSE FAILS, SUCCEED."

> NOW AVAILABLE ON META QUEST

>

> YOUR SHEET MUSIC. YOUR CHORD CHARTS. YOUR PRACTICE

> PATTERNS. FLOATING IN YOUR FIELD OF VIEW — WHILE THE

> REAL WORLD REMAINS FULLY VISIBLE AROUND YOU.

>

> // FEATURES

>

> [01] PASSTHROUGH PANEL DISPLAY

>      LOAD PNG CHARTS ONTO YOUR QUEST HEADSET. THEY APPEAR

>      AS CRISP, FLOATING PANELS IN PASSTHROUGH — NO STAND,

>      NO TABLET, NO PAGE TURNER.

>

> [02] DUAL-PANEL LAYOUT

>      TWO PANELS SIDE BY SIDE: ONE FOR YOUR REAL BOOK

>      CHARTS, ONE FOR SCALES, PRACTICE PATTERNS, OR

>      ANYTHING ELSE YOU NEED AT A GLANCE.

>

> [03] HAND GESTURE CONTROL

>      PINCH TO TURN PAGES. FIST TO SWITCH PANELS.

>      GRAB AND DRAG TO REPOSITION. ONE GESTURE HIDES

>      THE PATTERNS PANEL FOR A CLEAR CONDUCTOR SIGHTLINE.

>      NO CONTROLLERS. NO BUTTONS. NO INTERRUPTION.

>

> [04] BUILT-IN CHROMATIC TUNER

>      LISTENS VIA HEADSET MICROPHONE. DISPLAYS PITCH,

>      NOTE NAME, AND CENTS OFFSET IN REAL TIME.

>

> [05] LIVE VOLUME METER

>      CONSTANT READ ON YOUR OUTPUT LEVEL — NO SEPARATE

>      DEVICE REQUIRED.

>

> // DESIGNED FOR

>      SOLO REHEARSAL. ENSEMBLE PLAYING. LIVE PERFORMANCE.