Here's as much of the tune as I can find from available clips. (The pickup D is a bit uncertain, and so are the last 3 bars; they weren't on the clips and could just as easily be: F E D|E3-|E2||).

Mick


X: 1
T:Callejon de las Viudas
T:Widow's Alley
M:3/4
L:1/4
Q:1/4=160
C:Sepulveda
S:Inkuyo
K:Em
D|B3-|B A G|E3-|E2 G|F F G|A F E|D3-|D2 D|
B3-|B A G|E3-|E2 G|F F G|A F E|D3-|D3|
E3-|E G F|B,3-|B, B, D|G F E|F A D|E3-|E3|
E3-|E G F|B,3-|B, B, D|G F E|F A D|E3-|E2||