As promised, here's the tune in ABC format:

X:253
T:Once Upon A Time There Were Three Jews
M:4/4
L:1/8
Q:1/8=320
K:G
GG GG G2 A2|B4 A4|G4 z4|
w:Once up-on a time there were three Jews
BB BB B2 c2|d4 c4|B4 z4|
w:Once up-on a time there were three Jews
(d2B2) (e2d2)|c2c2 c4|
w:Three-ee, three-ee Jews, Jews, Jews
(c2A2) (d2c2)|B2 B2 B4|
w:Three-ee, three-ee Jews, Jews, Jews
GG GG G2 A2|B4 A4|G4 z4|
w:Once up-on a time there were three Jews