It's easier to read placed in the spaces. The spaces top to bottom GDAE, or bottom to top EADG. Yes, the '7' you refer to, is the 'D' note or 7th fret on the G string. In addition to the studio recording, there are 2 excellent live versions from that period circa '70 on you tube.
Last edited by Captain Bob : 08-24-2011 at 07:00 AM.