Two things:

1) the letter for tomorrow is D
2) Here's the H video playlist
-watch the of Montreal video. Actually, just watch the first 20 seconds of the of Montreal video.
-Donnie Darko montage for "Head Over Heals"
-check out the last video of Regina Spektor. seriously. do it.
-"Hold You in My Arms" by Ray LaMontagne is pretty good too.