Real lyrics. Real numbers. Real lessons.
Each case study tests a hypothesis. Hypothesis → pipeline used → before / after numbers → lessons. No marketing prose, no testimonial paragraphs — the format is strict on purpose.
Case 003 — Watching the Anti-Platitude rule fire on a borderline draft
A draft that scored 71 on rubric v1.0.1 will drop into the C-band on v1.1.0 because of two closing platitudes the older rubric scored mid-band on Specificity. The Anti-Platitude rule should reveal the underlying voice problem rather than punish it arbitrarily.
Read the case studyCase 002 — A 30-song corpus, one writer, two-band Voice consistency
The voice-fingerprint API (B1221) can identify whether a single writer’s 30-song catalog reads as "identifiable" or "developing" voice consistency, and the result should match the per-song Voice metric averages.
Read the case studyCase 001 — Refining a draft from B+ to A on the Voice metric
A solid B+ draft (composite 71) with weak Voice (62) can clear A-band on Voice without losing the original’s emotional core, given Refine Mode + lock-the-strongest-line preservation.
Read the case study