hey guys,

assuming this is the right area, i wanna start doing my own instrumentals, im adept with the guitar, but im not all up to speed with the scales etc, so was hoping could get some ideas as to which keys, scales to use for certain feelings, i should know all this, just need a bit of a help getting started.

sorta looking for a sad and powerfull sound

thanks guys (and sorry for wasting your time)
Current Gear:

J&D Luthiers 7 string.
Ashton GA100 Amp.
Digitech RP80 & Grunge.
Boss Superchorus.
Berhenger Wah.
Carton of Victoria Bitter.
Pack of Winfeild Blue.
The crusade articles by Josh Urban on this website are a good start.
Quote by Zaphod_Beeblebr
Theory is descriptive, not prescriptive.

Quote by MiKe Hendryckz
theory states 1+1=2 sometimes in music 1+1=3.