my friends and i were playing and he asked if i could play this intro on the harp and i tried and it came out not to bad. play the first line fast. -45-56-54-4 -66-54-4 and repeat you can also add in this some where like the middle of the intro, it sounds real good -45-56-54-4 7' -6'-54-4' and when he said 'Layla' when sing i done -6' then slide -6-5-4 just muck about with it i done this other solo bit i cant remember but if i come to mind i will add it on.