This is a song for testing chord detection
{a directive}
{another directive}

{soc}
Esus4  unknown
A line with one known, and one unknown chord
{eoc}

D        Bm7sus2  Bm7
  Sarah, please

Esus4  A7-9/unk             A13/unk
A line with one known, and two unknown chords, chordline still detected

 Esus4 A7-9/unk             A13/unk
A line with one known, and two unknown chords, one space chordline still detected
