^.$

[Intro | Spoken | Electronic Drums] ^ start . any * all $ stop [Verse 1 | Spoken] ^ start A-Z + again $ stop [Break] . any [Chorus | Drop | 808 Bass] .* match all .* match all + again | or .* match all .* match all + again | or [Verse 2 | Spoken] ( left Paren true | or false ) right Paren [Break] . any [Chorus | Drop | 808 Bass] .* match all .* match all + again | or .* match all .* match all + again | or [Outro | Spoken] ^ start . any $ end [End]