Standard Tuning
Capo on 3

Harmonica in the key of c

Basically, it's just fingerpicking between variations of C and E chords

  C (x32010@1)                E----3-------2----------0--------------------------------| (022100@1)-----------------0-------------3------0-----------------|
---------0----0--------------------1--------------------|
------0-------------------2-----------------------------|
--------------------------------------------------------|
--3------------------0----------------------------------|


  C (x32010@1)                E----3-------2----------0--------------------------------| (022100@1)-----------------0-------------3------0-----------------|
---------0----0--------------------1--------------------|
------0-------------------2-----------------------------|
--------------------------------------------------------|
--3------------------0----------------------------------|


  C (x32010@1)                E----3-------2-----------------0-------------------------| (022100@1)-----------------0---------3-----3----------------------|
---------0----0---------1-------------------------------|
------0-------------------------------------------------|
--------------------------------------------------------|
--3------------------0----------------------------------|


  C (x32010@1)         E----------0----------------0----------------------------| (022100@1)-------3----------------0-----3-------------------------|
----0---------0-0h1--1----------------------------------|
--------------0-0h2-------------------------------------|
--------------0-0h2-------------------------------------|
--3-----------------------------------------------------|