f(t)17 / 35Irish jig
sin(x^2)
A wave that wiggles faster the further you go.
The equation
y = sin(x2)
What the equation decides
The tin whistle's ornaments. Each is a finger-run that speeds up as it climbs, and each held note wobbles faster and faster.
What was composed
The tune, chords, guitar, bodhran and bass.