One of my all time favorite songs/records, Green Onions by Booker T. and the MGs. Booker wrote it when he was a senior in high school in 1962. It is built around a classic blues riff, with tasty soloing from the guitarist and Booker T. on the Hammond Organ.
Booker T. and the MGs performing Green Onions in 1966:
Booker T. in 2009: