Musical genealogy — 65 tracks — 1929 to 2001 — hover nodes for track info
PRE-ZERO branches (left) trace the roots that created Song Zero ·
POST-ZERO branches (right) trace what it spawned ·
★ = Song Zero: The Tielman Brothers — Rollin' Rock (1960) ·
⊕ = Two-Tone Convergence (GOLD + RED meet in 1979 London)