Marc Seal Guitar Tutorial 1 (Part 3 of 4): Sound Advice In this tutorial he teaches you how to get the vintage tone used by Jimi Hendrix or Stevie Ray Vaughn
Marc Seal Guitar Tutorial 4 (Part 3 of 4): Gives you a sound advice of getting a nice tone with a pitch shifter effect. Also, teaches you how to do natural harmonics on any fret.
Marc Seal Tutorial 7 (1 of 3): Teaches you how you can arpeggiating chords, i.e. pick the individual strings and also he goes through different time signatures as well