Pick fires on downstroke; #IV drops an octave; local songs use 2.bin; transpose updates notes without restart; intro starts on key I; boot string volume/PC corrected.
Co-authored-by: Cursor <cursoragent@cursor.com>
Replace the old volume bars with 5 rounded-top bars using a left-to-right brightness gradient, synced from the ADC volume pot.
Co-authored-by: Cursor <cursoragent@cursor.com>