this song can be kind of difficult but just keep practicing. also
there are several little licks but just learn these and you'll be fine.
Riff #1
e-----------------------------------------------
b-----------------------------------------------
g-----------------------------------------------
d---3p1h3p1h3p1h3p1h3--and-start-getting-faster-
a-----------------------------------------------
e-----------------------------------------------
Riff #2
e--------1----------------1---------------------------
b------1---4^^~~~~~~~-------4-1-----------------------
g--3^^--------------------------3br-1---3-1-----------
d-------------------------------------3-----3-3-3-3---
a-----------------------------------------------------
e-----------------------------------------------------
riff #3
e----4-6-6^^--4---6-4--------
b-/6------------6-----6------
g----------------------------
d----------------------------
a----------------------------
e----------------------------
[ Tab from: https://www.guitartabs.cc/tabs/s/santana/migra_tab.html ]
riff#4
e-1--------------------------
b-1--4-1---------------------
g--------3^^-3-1-------------
d----------------3-----------
a----------------------------
e----------------------------
riff #5
e-1------------1----------------------
b---3/6~~~~~~----4-1-----1------------
g--------------------3^^---3br-1------
d--------------------------------3----
a-------------------------------------
e-------------------------------------
riff #6
e-1---------------
b---3br-1---------
g----------3------
d-----------------
a-----------------
e-----------------
riff #7
e--/8----4--6-----
b-------------6---
g-----------------
d-----------------
a-----------------
e-----------------
riff #8
e--9^^^--8-7-6------6-------
b--------------9-6----9-6---
g---------------------------
d---------------------------
a---------------------------
e---------------------------
Guitar Solo (play 4 times)
e-----------3----------------------6-5-6p5p3-------
b-6p5p3-6-3---6-6p5p3---6p5p3-6-3------------6-----
g--------------------------------------------------
d--------------------------------------------------
a--------------------------------------------------
e--------------------------------------------------
Guitar Solo #2 with trumpet
e-------------------------------------------------------------13-13~~~
b-------13---16~~~~~--13-----------------13----16~~~~-16-15-16--------
g-14-15------------------15-14~~~--14-15------------------------------
d---------------------------------------------------------------------
a---------------------------------------------------------------------
e---------------------------------------------------------------------