Re: Mike Marshall Finger Buster question
Some of the stretches in 'Fingerbusters' are conceptual, and at least one is (I believe) a transcription error (i.e., the transcriber took the 'continue for all finger positions' instruction one position too far).
To figure out what stretches you really need, think about playing in keys of E and B. If you play the scale for key of E, for example, you'll fret 2-4-6-7 on the D string for the lower tetrachord.
Going down from there, though, you'll play 2-1 on the D string (sliding the first finger down from the E to the D#, and then the 6 on the G string for the C#. That's the half-position scale, and the stretch from D# to C# is one of the ones that you will actually be called upon to play in real music.
The alternative is 2 on the D string and 8 on the G string to play the E and the D#. Ouch! But that's another very real possibility that you'll encounter in real music.
You'll choose the one option over the other based on what comes before and what comes after, but neither one is particularly easy.
Whenever I work on Fingerbusters, I work my stretches to try to take in that first-position 6-fret 1/2-step span. I know that I'll be playing music that needs it at some point or another.
I don't sweat the stretches much beyond that, but that's enough!
For a murderous, but real, example of this, have a look at the C section of the Brazilian choro "Fla-Flu" (which is in Mike's choro book) It's in B major, and it's a real fingerbuster because it works all these stretches.
Doug Hoople
Adult-onset Instrumentalist (or was that addled-onset?)
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