This is a big day for those of us who've been watching the gradual unfolding of "What a Wonderful World" — one letter at a time.

The fabulous moldogaa has done 20 of the 26 letters, one day at a time, a new recording for each letter, piled on top of all the preceding letters. She's been withholding the vowels, and — with the exception of "w" (which much be last, obviously) — she accomplished the last consonant yesterday: