What is the best guitar scale to use for irish rock?

Question

What is the best guitar scale to use for irish rock?

Answer 1

There are four main keys in Irish music: D, G, A and C. Of these, the keys of D and G make up 70% or 80% of the tunes, and D is probably something like 50% all by itself.

The key of D has two sharps (F# and C#), G has only one (F#), while A has three (F#, C#, and G#). The key of C, of course, has no sharps or flats.

However, while American popular music tends to either the major or minor modes of a scale, Irish music tends to use the dorian and mixolydian modes.