Open G , electric, if you could give one tip and one tip only....

stickyfiddle

clarkefan said:

stickyfiddle said:

Remember you're allowed to use it for things outside of bluesy rock, e.g. Manic Stree Preachers' This Is Yesterday

Wow one of my favourite Manics songs, I'd no idea it was in g tuning, must revisit, thank you

You wouldn't know it from a casual listen, but it's ace - a huge influence on everything I do in Open G, far more than Keef.  Kevin Carter is also open G iirc. 

Really good acoustic version of TIY here:

KDS

Get a Diamond bottleneck crystal glass slide