tuning: standard e|----------------------6---------|---------------------------------| B|----------------------6h7-------|---------------------------------| G|--------------------------------|---------------------------------| D|--------------------------------|---------------------------------| A|--6--------------4--------------|---------------------------------| E|-----------6--------------------|--6-6--6-----4-----2-------------| e|----------------------6---------|---------------------------------| B|----------------------6h7-------|---------------------------------| G|--------------------------------|---------------------------------| D|--------------------------------|---------------------------------| A|--6--------------4--------------|---------------------------------| E|-----------6--------------------|--6-6--6-----4-----2-------------| e|----------------------------------|---------------------------------| B|----------------------------------|---------------------------------| G|----------------------------------|---------------------------------| D|----------------------------------|---------------------------------| A|--6-6-6-6-----4--4----------------|---------------------------------| E|--------------------------6-------|--6-6--6------4------2-----------|