Earworms - who started this one? I ran across this term in a couple of books - "This is your brain on music" and "Musicophilia" - great books about music and the brain. Anyway -
the one piece that has permeated my brain lately is
"O Fortuna" from Carmina Burana by Carl Orff.
"He who dwells in the shelter of the Most High will rest in the shadow of the Almighty.
I will say of the Lord, "He is my refuge and my fortress, my God, in whom I trust.""
"Be what you would seem to be--or, if you'd like it put more simply--Never imagine yourself not to be otherwise than what it might appear to others that what you were or might have been was not otherwise than what you had been would have appeared to them to be otherwise." from "Alice in Wonderland"