Daily Brew: on the Incantation's days, everyone plays the same song and #1 wins a potion. Weekly board: your best on each of the three songs, added up; the top 3 win a potion each. Catalysts (weekly runs): holders get one free, each more costs an Ember from burning potions in the Crucible. A Catalyst in hand restores your Focus when the spell would break.
Homunculi: link your wallet and bring one into any song. Once a song, its school's power: Still Waters (Azure: misses don't break your combo), Overgrowth (Verdant: timing forgiven), Kindle (Crimson: ×4 held), Golden Hour (Amber: double points) or Unmake (Void: runes cast themselves). Stronger when Grown or Ascended.
Hits feel early or late? Set the timing offset in Settings, or use the button on your results.