intro:
|--------0-----------0-----------0-------0--------------|
|----1-3---3-----1-3---3-----1-3---3-------0------------|
|------------0-----------0-----------0-------0----------|
|--------------------------3-----------2----------------|
|--0-----------3-----------------------------------0-2--|
|----------------------------------------------0-3------|
|--------0-----------0-----------0-------0-----3--------|
|----1-3---3-----1-3---3-----1-3---3-------0-----3------|
|------------0-----------0-----------0-------0-----0----|
|--------------------------3-----------2-------------0--|
|--0-----------3----------------------------------------|
|-------------------------------------------------------|
zwrotka: a C F e
refren: F C d a