NOTE: the only part that the bass is used is at the castle part at the end.
|------------------------------------|
|---------------------5--4-----------| x2
|----------5--4----5--------4--3-----|
|--5----4----------------------------|
|------------------------------------|
|-------------------5--4-------------|
|----------5--4-----------4--3-------|
|--5----4--------5-------------------|
|------------------------------------|
|---------------------5--4-----------|
|----------5--4----5--------4--3-----|
|--5----4----------------------------|