#2
use a tuner, and down tune the top e string, the 2nd string (b string), and the 1st e string, all by one full step.
I want you to put on your pretty summer dress
You can wear your Easter bonnet and all the rest
And I wanna make love to you yes, yes, yes when the healing has begun
-Van the Fuckin' Man
#3
get a chromatic tuner and tune the strings accordingly. M friend river tells me dadgad is amazing!
#5
Tune both the high and low E strings down a whole step (which is the equivalent of two frets) to a D. You don't need a tuner.