: A tagging system that categorizes the song as "Spirito Santo" and "Invocazione," automatically pulling related titles from a shared database.

: An audio mixer that allows choir members to isolate or emphasize their specific vocal part (e.g., Contralti ).

: Use a library like ChordSheetJS to render the lyrics and chords, adding a slider to shift the key (e.g., from the standard F major to G or E major). 2. Multi-Part Vocal Training Module