Technically, a Pi Day song should never end, but that would crash YouTube. And probably bore most listeners. So the music video in the right hand window will get you started and then you can hum it as long as you want.
If you're curious how other Pi lovers have musically celebrated this historic day, click (
target="_blank">here) it's based on Eminem's "Lose Yourself" or
target="_blank">(here) Pi translated as musical notes! This is a violin solo composed by Steven Rochen, based on the numbers of PI to 220 decimal places.
Numbers were converted to notes: 0 = rest, 1=A, 2=A#...(10, 11, 12 as found in the sequence were treated as one note)