##ChorusDefine a named section. First occurrence = definition.
##ChorusWrite it again later = reference, expands the full section inline.
##Chorus (2x)Reference with repeat — shows (2×) indicator in presentation mode.
C Am F GChord line — auto-detected, shown in blue above lyrics.
Verse 1:Section header label (line ending with colon).
// text //Chorus styling — rendered bold.
HTreated as B (European notation). A legend appears automatically.