riff 1
|---------|-------------------------------|---------------------------|
|---------|-------------------------------|---------------------------|
|---------|-------------------------------|---------------------------|
|---------|--------------3-3--3-----------|--------3-3--3-5-5--5--7-7-|
|-3-3-4-5-|-2-3-4-5-5--5-1-1--1-----------|-5-5--5-1-1--1-3-3--3--5-5-|
|-1-1-2-3-|-0-1-2-3-3--3--------1-0-1-0-1-|-3-3--3--------------------|