How much music theory is required?

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niick
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How much music theory is required?

Post by niick » November 3rd, 2018, 1:05 pm

How much music theory does the average rock band know? I really like Nirvana, Blind Melon, and Stone Temple Pilots - that kind of music. How much music theory would I have to know to write my own music like that? Somebody told me that a lot of rock guitarists never learn music theory, is that true? How would they be able to construct a song without knowing music theory?

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Alan Green
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Re: How much music theory is required?

Post by Alan Green » November 3rd, 2018, 2:13 pm

It varies. It's always good to know some. A simple example - if your music is in four flats and the score says "ad-lib solo", would you know where to start?

I play lead guitar for a Big Band - music by Glenn Miller, Rat Pack and lots of jazz (and no Tab). Two of us (at least) have music degrees, one of our woodwind desk can play sax, flute and clarinet to professional standard, and arranges music for the band dealing with all the transpositions - Bb clarinet, brass in A and so forth. I tell you, if I ever need to learn another instrument, I'm going to her for lessons. Our musical director doesn't write out chords, so when he arranges something he gives me a sheet with little black dots on the staff - I have 20 seconds before he gets back to the front of the band and picks up his baton to count us in, and then I have to do chord harmonies. No theory? You'd be stuffed. You'd be fired.

In a rock band, much of what you need to know is covered by I-IV-V, or I-vi-IV-V and one pentatonic shape out of five - is it any wonder that a documentary about (classical guitarist) John Williams back in the 1960s opened with the statement that you can churn out a rock guitarist in 20 hours. You're unlikely to be required to resolve a Neapolitan 6th if all you want to play is Metallica, but the more theory you understand the better.

A lot of rock guitarists never learn theory. As a result, their songs all sound the same and they usually disappear without trace after one or two albums - think Nu-metal bands.
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Robert_S
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Re: How much music theory is required?

Post by Robert_S » November 12th, 2018, 4:08 am

The chord progression is simple and consistent in rock. People like Slash are pentatonic masters, but that limits what they can do note wise.

Books on music theory are not expensive. I recommend 1-2. Start with Music Theory for Dummies. Simple, easy to understand and doesn't so dumb it down as to insult the reader.

I also have the Hal Leonard Guitar Method Music Theory supplement to their Guitar Method book which includes audio for ear training. Not expensive.

Remember, knowledge doesn't hurt, but the lack of it may make your work much harder.
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