Riffs can be played against virtually any chord progression (i.e., not just 12 bar Blues). The following example illustrates a one bar riff played against the Am, Gm and Fm chords.
To maintain a smooth sound in this riff, use the fingering as indicated and use alternate picking.
This first section has involved some important preliminary exercises for lead guitar playing. You have been introduced to basic guitar riffs and scales, with the aim of developing dexterity and left/right hand co-ordination. You should now revise each lesson thoroughly before proceeding.