#2
The second guitarist is playing diatonic third (I think, haven't checked) intervals to the first guitarist.
Quote by dmtransmutation
What the Grunge-haters think is just mindless musical nonsense, in reality is the restoration of the old rule of harmony to not write an entire song in one tonality/key
#3
Thanks,

Could you suggest me something about the diatonic thirds to learn? Haven't found anything good on the net.
#4
This looks like a pretty good resource to get the idea
http://www.jimmylardnerbrown.com/col88.html
Quote by dmtransmutation
What the Grunge-haters think is just mindless musical nonsense, in reality is the restoration of the old rule of harmony to not write an entire song in one tonality/key