"There’re little slurs and modulations that are as hard to sing as they are easy on the ear. In the bridge, he hits a blue note and then a line or two later ('I heard somebody whisper, please adore me') there is a little waver in his voice that brings to mind Nick Lucas, Tiny Tim’s mentor, who sang the original 'Tip-Toe Thru the Tulips.'"
Writes Bob Dylan about Dean Martin's version of "Blue Moon, in "The Philosophy of Modern Song."
Let's listen to Nick Lucas: