This is the beginning riff to Train's Mississippi on the album Drops of Jupiter. The of this song is built off this riff, which is explained second. Artist: Train Album: Drops of Jupiter Song: Mississippi G------------------| D------------------| A------------------| D--2-3-5-5-2-0-----| That's the main riff, and you build off those notes and A as well for the rest of the and every measure you play that intro riff again. Easy as that.