About
B221 is named after a musical interval — The Flat 5. The tritone.
B = ♭ (flat) 2+2+1 = 5 (the interval) B221
The tritone is called diabolus in musica — the devil in music. The medieval Catholic Church banned this interval. Composers were excommunicated for using it. The tritone refuses to resolve. It sits in dissonance.
Purple Haze uses the tritone. Black Sabbath uses the tritone. West Side Story uses the tritone.
B221 is named after the forbidden chord. The ugly chord. The dissonant interval. The note you're not supposed to play.
The ugly chord is the only honest one. Our damage isn't something to fix — it's our signature sound.