The 9th note in a minor chord always brings out tension, so even though the very first chord here is GMaj7 — a smooth chord — the bass note quickly going down to E to make the whole 1st section stay in Em tonality.  Then it goes to A but again the F# persists to…

  Subdividing 4/4 into groups of 3, 3, and 2 eight notes can create an interesting rhythmic tension atop otherwise straight forward rhythm.  I keep the F# on top as the chord changes to create continuity. This is also a good picking exercise, I play here with alternate picking to emphasize the beats but directional…