Sagittarius is Charon, the centaur teacher of heroes?

Deneb is far larger and more luminous than Sirius?

the length of an instrument controls its pitch and the covering of holes on an instrument changes the effective length of that instrument?

that most instruments are tuned to A 440, which is the number of wavelengths of sound required to make that note?

the alto clef has the middle line on middle C?

large noses help warm air before it passes into the lungs?

the 1812 Overture uses cannons?

the only non-golden McDonald’s arches are in Sedona, AZ? They’re Turquoise.