(NoSupport) Pitch Changeable! Piano Tracer – 1.1

This app is 88 keys piano simulator. You can change the pitch for each 1Hz. What is Standard Pitch or Concert Pitch and why do we need it? Standard Pitch is a universal frequency or note that all instruments are set to. Today's standard pitch is A440 orC523. 3 and this concert pitch enables musicians to play instruments together in harmony.