Deepest expression in vocal has many forms. It doesn't have to be opera or choral you knowHere is a organum:
Perotin: Alleluia/Posui adiutorium
Musica Ficta
By the way, strictly speaking the term Chorale has very specific meaning which might not be what you have in mind. We'll deal with that later. But interestingly, spinning a chorale into polyphonic form is rather similar to how organum was derived from Gregorian chant. Musical forms are rather interrelated...
And it doesn't have to be vocal. Overtures to operas, oratorios, cantatas etc can be expressive and interesting on their own as well:
Handel: Ode for Saint Cecilia's Day, HWV 76 - Overture
The English Concert, Trevor Pinnock
Have been meaning to post this one for a few days but andolink beats me to it and posted the whole thing to the classical what you're listening thread.
Very nice...the second music selection...from Handle. Peacefully sounding, and nicely said...regarding vocals, musical expression, chorales, chants, organs, overtures, operas, and all that classical voices jazz. And a violin, a cello is an extension of the human voice...it can speak emotionally to the human heart. And the human voice comes from the human body enclosure; it resonates blood vessels, lungs, guts, intestines, gold bladder, pumping heart, bones, ribs, thoracic cage, ...the human biological transfer...in&out. And it has a direct relationship with the human mind and soul through the human vocal chords.
A musical wind instrument would be next, then an acoustic bass guitar, piano, drum, ...using mainly the two hands and fingers, and feet too.
A classical orchestral music conductor? ...Le bâton et les deux mains, le mouvement du corps (body language).
