VIDEO--Sixty Years of Rock N? Roll Summed Up in 100 Famous Guitar Riffs

Some of his selections seem pretty arbitrary but I guess that's inevitable if you're trying to cover 60 years with 100 riffs. Pretty impressive job IMHO considering he does this in one continuous take (I wonder how many blooper takes were there?)......

http://gawker.com/5922848/sixty-year...s-guitar-riffs