Bellows - Hinge Accordion

Hold your foldable iPhone like a book, and opening and closing it becomes the bellows of an instrument. Your fingers pick the notes; the bellows decide how loud — exactly how a real accordion works. PUSH AND PULL, DIFFERENT NOTES • Close = push (red), open = pull (blue) • The bandoneon and harmonica play different notes depending on the bellows direction — driven by the hinge itself, not an on-screen switch • Fully stretched? Close to turn. Fully squeezed? Open to turn. Where you turn the bellows is the whole art FIVE BELLOWS INSTRUMENTS • Accordion: keys on the right, bass and chord buttons on the left (with the shimmer of three musette reeds) • Bandoneon: different notes on push and pull (a simplified, beginner-friendly layout) • Harmonica: close to blow, open to draw. Slide your finger toward the fold to bend • Melodica: two octaves across both pages • Shō: the ten "aitake" chords of…