Hippo Birdie to one of the best poets, and worst singers, I've ever had the pleasure of memorizing the works of... but I sang them à la Joan Baez -or anyone else's way-until I (more or less) grew up. Now I can actually appreciate that some of his (especially early stuff almost NEEDS to be performed the way he does. I hesitate to say "sung" when referring to his vocalizations... but throughout, he has been one of the best lyricists, even if they weren't always HIS lyrics!