harmonica intro.
[E-]-------x--------------------------------------------------------|
[B-]-------x--------------------------------------------------------|
[G-]-------x--------------------------------------------------------|
[D-]-------12-------------------------------------------------------|
[A-]-------x--------------------------------------------------------|
[E-]-------x--------------------------------------------------------|
[E-]---------------------------------------------------------------|
[B-]-----3--2-0--3-2-0-3-2-0-2-/12---------------------------------|
[G-]---------------------------------------------------------------|
[D-]---------------------------------------------------------------|
[A-]---------------------------------------------------------------|
[E-]---------------------------------------------------------------|
[E-]---------------------------------------------------------------|
[B-]--3/2/0/12-----------------------------------------------------|
[G-]--3/2/0/12-----------------------------------------------------|
[D-]--3/2/0/12-----------------------------------------------------|
[A-]---------------------------------------------------------------|
[E-]---------------------------------------------------------------|