I could never overstate the importance of a musician's need to develop his or her ear. Actually, I believe that developing a good 'inner ear' - the art of being able to decipher musical components solely through listening - is the most important element in becoming a good musician.
Steve VaiThere is still a very strong subculture of people who want to do great things on an instrument, and who are stimulated by hearing people who can. That's reassuring. But it's gonna take a person - and I don't know who this is - to come along and reinvent the guitar as a virtuosic instrument in a completely different realm than any of us have done, or anybody else in the past. That's the clincher. Maybe that will happen and maybe it won't.
Steve VaiThe blues scale was the first thing I learned. It's just a pentatonic scale with a flat seventh and a few notes that sound cool when you bend them. And because people have amalgamated the blues into this rock-blues scale, if you're using it, you better sound like a real authentic blues player.
Steve Vai