Oh! In the matter of our 13-year-old's Pythagorean tuning—snap, tap, sing—the pupil began at Middle C (261.63 Hz) and ascended to C' (523.26 Hz) with cheerful precision. Using octave 1:2 and fifth 3:2 ratios, plus halving and two-thirds operations, they constructed C, D, E, F, G, A, B and C', showing frequencies in Hz and tidy notation. Octave transpositions were handled by systematic doubling and halving; multiplicative reasoning and inverse proportionality were explained plainly. Workings were stepwise, transparent and accurate within the Pythagorean framework and meet ACARA v9 homeschool expectations for conceptual understanding and technical computation. The pupil's comments read like a brief Ally McBeal soliloquy—curious, slightly whimsical—revealing musical intuition as well as rigour. Recommendation: continue applied tuning labs, formalise intermediate labels, and compare with equal temperament. Bravo—the maths and the music converse, and the student listens. Please record auditory examples and document rounding for reproducibility and future assessment always.