CIRCLE OF FIFTHS
12 keys · key signatures · relative minors
CURWEN HAND SIGNS
one hand for each degree of the scale, with the mental effect John Curwen gave it
DECIBEL SCALES
what stands at zero on each of them, and why −10 and +4 are not fourteen apart
DI, REAMP AND PREAMP
three boxes on one ruler of levels — where each one leads from and to
DRUM KIT NOTATION
where every drum and cymbal sits on the staff — per the Percussive Arts Society standard
THE ELECTRIC GUITAR PICKUP
one coil or two · six builds · where it sits along the string, and how high above it
EQUAL TEMPERAMENT
how many cents each interval misses the pure one by, and why exactly that much
AMP MIC POSITIONS
where to place a mic in front of a guitar cab and how each spot sounds — after the Shure chart
ARPEGGIOS ON TWO STRINGS
major and minor in one position · the bare triad, no octave
ARPEGGIOS ON THREE STRINGS
major and minor in one position · a whole octave on three strings
ARPEGGIOS ON FOUR STRINGS
major and minor in one position · exactly an octave, one note per string
ARPEGGIOS ON FIVE STRINGS
major and minor in one position · an octave and a fifth from the root