When a brand new student comes through my doors, about the last thing on my agenda is to teach them music theory. This is not to say that I won't teach it altogether, but I have reasons for why I don't do this automatically. Instead of just appearing ignorant, I want to outline some of the reasons why I have chosen not to teach it right off the bat.
1. Music theory is meant for people who want to know it, and not for those who couldn't care less. Of all the people I have taught on a self-employed basis (my current status), the number of people who want to know it is at about 20 percent. Do I just teach that remaining 80 percent or so merely to make sure everyone has "basic fundamentals that everyone needs?" Hell no.
2. I'd venture to guess that most people I teach are just looking to have fun. This is something I am after too, anyways. After all of the theory training and courses I've taken in it, I have come to the conclusion that I just want to have fun playing guitar. Besides, teaching music theory can be pretty tiresome. There is a huge learning curve to it. Unless a person is literally planning upon becoming a classical, jazz, or a studio player, I don't think it's neccesary. The only exception is a massive curiousity, which I will honor.
3. Music theory has always come after music. One cannot analyze a piece of music that hasn't been created yet (if they do, then I don't envy them). I have found that it wasn't the music theory that was pushing me to create music. It was just the fact that I really enjoyed transcribing songs (not writing them in notation but just playing them) and playing them by ear. I truly think that my ear has trumped every single piece of music theory I have learned.
4. When I create a piece of music, I don't rush off to analyze it. Never! Doing that would force me to compare my creativity to something else. Yuck. I know that about 95 percent of the stuff I create I am going to throw away, but analyzing it before doing that is like kicking a dead horse. Best not to think about it. Same with Tango. My teacher Monica Caivano told me point blank last night to stop dancing in my head. It's important to think no doubt! However, results come from doing. At least in the arena of creativity, I think this is so.
5. Music theory is a blanket term. It somehow magically squashes about a million concepts into two words. Reading music, roman numeral analysis, set theory, retrograde, retrograde inversion, triadic theory, seventh chords, Shenkarian analysis, melodic minor, the list goes on and on. Do people think that they must learn all of it? I hope not. My guess is if you want to become a nashville pedal steel guitarist in the studios, it will probably be more important to understand roman numerals and melody as opposed to set theory and retrogrades ala Stravinsky. Couldn't hurt, but still it's nothing that is needed on a daily basis. Now, take this argument and apply it to a person who is picking up a guitar because she wants to play Beatles songs to her mother at thanksgiving. Does she really need to learn everything? No. I am confident that I could show her all that she needs to know without a lick of theory, and she will play them with no trouble at all. Guitar is like that.
6. Music theory is a tool to break down walls, not to build them. Walls are a part of writing music, and we don't need more of them. They could be called blocks, but that term scares the hell out of me. They happen from time to time, and learning some new bit of music theory at that point could be beneficial. However, there are people who cannot write anything because they are too analytical. I have felt that way from time to time and it sucks. I can't write a thing because "it sounds like something else." I'd rather write a piece of crap and throw it away than not write it because it sounds like another song.
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It worries me to no end how many people will march up to me in their first lesson and declare that they don't know any music theory. There's almost an element of regret in their voice. "I don't know any music theory." It hurts to hear sometimes because I know that most the time they won't even need it. If someone wants to learn it that bad, if someone is just that curious about it, I will teach them. There's no question.
I will never EVER look down on any person who doesn't know music theory, or know how to read notes on a staff. There are millions of bands out there who don't know a damn thing about it, yet they play. Yet they play and play and play. I would much rather spend my time encouraging a person to create music than analyze it. Music comes first and music theory second, at least in my opinion.