Music Panes (Editable Frequency & Perfect Fifth Detection)

• Drag a pane to move it.
• Drag its lower‑right corner to resize it.
• Double‑click on empty space to add a new pane.
• Double‑click on a pane to toggle its slider.
• Right‑click on a pane to delete it.
• Use Tab/Shift‑Tab to cycle through panes for frequency editing.

A white line is drawn between panes whose frequencies are within 0.005 of a perfect fifth (ratio ≈1.5).

(Click anywhere to start audio.)