Technique1

accuracy ( villa lobos etude no 1 with pick ) - 70pm(10min (4
in a row) V
- faster one string ( triplets at 75, 16th at 70bpm) V
- bending (9th position onb - bending one tone D to E , on G 5th position - G to A)
- downstrokes (Em,70bpm 8thnotes, triplets - accenting more)- run to the hills 120 bpm
- stretches ( Xes 1234,2345,3456 with sweep picking) at 70/2