Chord Quiz: Learn Piano Chord app analytics for January 6

Chord quiz application to learn chord names and chord component notes. You can also search chords by chord name or constituent notes. Functions/Features - Chord name quiz (select minor, sevens, etc. with buttons) - Chord component note quiz (select notes on piano keyboard) - Up to 357 chord questions (21 root notes x 17 chord types) - Chord sound playback - Chord search (search by chord name or component notes) - Chord detail page (check chord type, component notes, inversion form) - Quiz settings (time limit, waiting time, number of questions, root note of question, chord of question, inversion form, keyboard order) - Customization (dark mode, theme color) - Simple design compliant with Material Design