The tritone: that invisible edge between home and the abyss
On the piano, the tritone is a hinge, not a scandal: the V7 chord’s third and seventh pull by semitone, shaping harmony, the circle of fifths, and our way back to tonic.
The circle of fifths and the piano: a geometry of the ear
The circle of fifths: the piano’s discreet geometry that turns keys into neighbors, guides modulation, and keeps tonal music breathing with purpose.
The Pentatonic Scale: five steps and a door that always opens
The pentatonic scale on piano: five notes, no clashes. Clear phrasing, true timbre, and a calm path with harmonic functions and cadence.