subheading. There are some additional classes that will be applied in certain use cases:
psalm-title- An introduction to the Psalm, usually giving the author or circumstances of its composition (e.g., Psalm 23)
speaker- Used only in Song of Solomon. In the printed text, appears centered in small caps.
psalm-acrostic-title- Only in Psalm 119. Contains the Hebrew letter for that section.
textual-note- Appears only before John 8 and Mark 16.