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Topic: GPO and MIDI Guitar??

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  1. #1

    GPO and MIDI Guitar??

    I've been using GPO casually for a couple years now and really love what it can do. But seeing as how I'm a mediocre keyboard player and enjoy improvisational composing rather than staring at a screen until my eyes bleed (I must admit I haven't gotten into the deeper programming aspects of GPO yet) I'd like to capitalize on my abilities as a guitarist.

    Has anyone ever used GPO with a guitar controlling the MIDI? Since things like velocity and all that are read from plucking a string, I realize the mechanics of the sound might be totally different from pounding keys (not necessarily a bad thing) but has anyone had any experience with such a set up?

  2. #2

    Re: GPO and MIDI Guitar??

    Let me trot out my usual video here:

    http://www.tencrazy.com/gadgets/ezeg/

    - m
    Free MFX and other plugins: http://www.TenCrazy.com/
    Markleford's music: http://www.markleford.com/music/

  3. #3

    Re: GPO and MIDI Guitar??

    On Markleford's advice I bought a Yamaha EZ AG midi guitar. It works excellently with GPO.

    Prices in UK are around £200 but I got one mail order from thomann.de in Germany for £80 delivered.

  4. #4

    Cool Re: GPO and MIDI Guitar??

    Quote Originally Posted by Markleford
    Let me trot out my usual video here:

    http://www.tencrazy.com/gadgets/ezeg/

    - m
    Nice playing! Perhaps we have a Michael Romeo fan on the forum?

  5. #5

    Re: GPO and MIDI Guitar??

    Quote Originally Posted by Mr. Fels
    Nice playing! Perhaps we have a Michael Romeo fan on the forum?
    Ummm... never heard of him!

    - m
    Free MFX and other plugins: http://www.TenCrazy.com/
    Markleford's music: http://www.markleford.com/music/

  6. #6

    Re: GPO and MIDI Guitar??

    Quote Originally Posted by Markleford
    Ummm... never heard of him!

    - m
    Well, who taught you to tap like that? Vai?

    Btw, Was it the "Midi Yoke" program itself that was allowing you to disregard the use of the pick? Also, are there any latency issues with that setup? Thanks.

  7. #7

    Re: GPO and MIDI Guitar??

    Quote Originally Posted by Mr. Fels
    Well, who taught you to tap like that? Vai?
    Tony Levin: I used to play Chapman Stick.

    Btw, Was it the "Midi Yoke" program itself that was allowing you to disregard the use of the pick?
    The program that allows for the tapping is my custom script app downloadable on that page. It also allows you to retune the fretboard however you'd like: I tuned it in 5ths for the violin setup. Also hard to see in the video is that I'm using my right hand to occasionally tweak a whammy bar on the unit, which modifies both volume level and attack hardness in GPO.

    Also, are there any latency issues with that setup?
    There is zero latency in this setup! The fretboard is covered in rows of little plastic buttons which create instantaneous messages, as there is no string vibration analysis process to determine pitch. There are strummable string/bar widgets on it that I hardly use, preferring tap style, but other players of the EZ units use them all the time (including fingerstyle).

    Incredible little gadgets. Getting cheaper some places, too.

    - m
    Free MFX and other plugins: http://www.TenCrazy.com/
    Markleford's music: http://www.markleford.com/music/

  8. #8

    Re: GPO and MIDI Guitar??

    So "there is no string vibration analysis process to determine pitch" is there?

    The next thing you'll be saying is that there are no character building hours editing glitches introduced by the string vibration to midi converters. Is this so?

    All I can say is I'm glad I got my Godin Xtsa (whose analog sound I really love) before I heard about these Yamaha learning guitars (I just might need one for Christmas).

    Best wishes

    Chet

  9. #9

    Re: GPO and MIDI Guitar??

    Quote Originally Posted by chet reinhardt
    The next thing you'll be saying is that there are no character building hours editing glitches introduced by the string vibration to midi converters. Is this so?
    This is indeed so! The only drawback is that the button-frets are not velocity sensitive. (Though the "strings" are.) Mind, it will never replace a real guitar, but for "keyboard-impaired" computer composers it's an absolute blessing.

    Note that out of the box the EZ isn't quite so impressive. It's mainly with the custom software (mine or another guy's: we trade ideas, and both apps are free) that it really comes alive. And for PC users only at this point, unfortunately! Hopefully we'll get a Mac dev to take care of "the others" sometime.

    Here's another tappity-tap demo: Herbie Hancock's "Chameleon" (lead part on EZ-EG, no editing)

    All I can say is I'm glad I got my Godin Xtsa (whose analog sound I really love) before I heard about these Yamaha learning guitars (I just might need one for Christmas).
    I got mine for Christmas last year: best gift ever!

    I'm very eager to hook this up to the impending Garritan Solo Stradivarius!

    - m
    Free MFX and other plugins: http://www.TenCrazy.com/
    Markleford's music: http://www.markleford.com/music/

  10. #10

    Re: GPO and MIDI Guitar??

    Markleford,

    Very cool, man (and nice tappity chops). I experimented in the 90s with the Roland MIDI guitar synth stuff, where you bolt on some stuff to your Strat. I found that for single note lines it tracked reasonably well, but tended to get a little glitchy if the playing technique was not extremely precise. I could do multi note passages if I plucked the strings with, say, 4 fingers at once, but it didn't care much for the concept of stumming chords with a pick. Overall, fun to play with but it didn't free me up creatively as I'd hoped.

    Eventually, I pulled the MIDI stuff off that Strat and put it back into the gig lineup. I found that composing using Cakewalk's notation view, while a bit tedious going one note at a time, allowed me to focus more on the music with less technical distractions. And of course, I end up in the sequencer at the end of the process for tweaking either way, so I was already there.

    Nonetheless, one of these days I reeeeally need to get some keyboard chops.
    Christopher Duncan
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
    Author of
    Unite the Tribes and The Career Programmer
    www.PracticalUSA.com


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