Also, note the Eb chord leading down into the D at the end and the Abchord at the start... the neighbouring chromatic chord is used for temporary tension.Download Ex 1b tabCascading Blues Licks"One Of the most commonly asked questions is how you get from point A to point B when you are soloing, such as when you are starting high [among the upper frets] and you want to go lower down on the fretboard.