Hi there! I'm really new here, so I hope this is the proper forum for this post. If not, perhaps a kindly moderator will move it to a more appropriate location and let me know? There seems to be a lot of expertise and experience hanging around these fora, so I'm hoping someone can calm my tamtrum, or at least straignten out my confusion.
For the past several years I have been acquiring a collection of fretted instruments a bit outside the core guitar-banjo-mandolin group, and actually learning to play some of them well enough that I'm not embarassed to take them out in public. Recently I acquired a Colombian Tiple, and was once again faced with a situation which is becoming one of my pet peeves: finding definitive information on how to tune the damned thing.
There are plenty of soruces on the web and in the library that list all manner of stringed instruments and give the pitch letter names of their basic tunings. But most of these make no reference -- or ambiguous reference -- as to what octave a particualr pitch may reside in. Sometimes this information may be deduced from the the size of the instrument, or the guage of the strings, but in other times it's far from clear. If you are lucky enough to find a source that gives a tuning with octaves, its' a toss up as to which one of a half-dozen arcane systems of octave notation is going to be used.
Having been trained as an engineer myself, I personally prefer the so-called "scientific" form of octave notation: Middle-C on the piano = C4, an octave lower is C3, an octave higher is C5, and so on. But I guess I'm whistling in the dark waiting for musicians and musicologists to adopt that system universally.
Which brings me back to my new tiple. The available information on this instrument seems to be more ambiguous than most. First off, there are at least a half-dozen significantly different instruments that have "tiple" as part of their name, with 4, 5, 9, 10, 12 or some other number of strings. Since most sources just say "tiple" the first bit of detective work necessary is to figure out what kind of tiple they're talking about.
Once I drilled down into the various sources one of the few things most of them seemed to agree on was that my tiple -- the "Tiple Colombiano" or "Colombian Tiple" usually (but not always) has 12-strings, arranged in four courses of three-strings each. OK, that basically describes my instrument, but from there things get a little dicier.
All sources agree that on the Colombian Tiple the middle string of the three in some of the courses is tuned an octave lower than the other strings in the course. How many courses this occurs with is apparently either variable or in dispute: some sources say it occurs in just the lower two courses; some say in the lower three courses, and one says it occurs in all four courses.
The majority of sources say that three courses have a lower-octave string in the middle, so I'm going with that.
Problem is, when my tiple arrived all of the strings in the top two courses were the same guage, implying that they were to be tuned in unison. Moreover, a much lighter guage was used for the second course than for the top course, implying some sort of re-entrant tuning -- but none of the sources I viewed mentioned Colombian tiples using re-entrant tuning.
I am, I suppose, faced with the possibility that my tiple was incorrectly strung at the factory, and I have contacted them, but received no reply yet.
Once the stringing issue is resolved (assuming that it is resolved), I still have ambiguous and conflicting information concerning tuning. So far, I have uncovered at least three different "standard" tunings, usually rendered (low-to-high) as:
dDd-gGg-bBb-EEE
cCc-eEe-aAa-dDd
aAa-dDd-f#F#f#-bBb (called "ukulele tuning")
I'm OK with this: plenty of instruments have more than one common variant tuning, and which one chosen depends on the music being played and what context it's being played in. What I'm tearing my hair out over is what octaves these pitches belong in.
For now, I'm thinking of going with the first tuning:
dDd-gGg-bBb-EEE
OK, one source says that the courses are tuned an octave higher than the first four strings of the guitar. I don't believe this source: that would put the first course up to the mandolin "E", which seems ridiculously high-pitched for an instrument with an almost 22-inch scale.
Most other sources state some variant of the ambiguous statement: "the four sets of three steel strings are tuned to the same pitches as the treble strings of the guitar, with the middle string of the three lowest sets tuned an octave lower."
What is not clear here is which of the strings in the courses are tuned to "the treble strings of the guitar." Basically, I see two possibilities:
1) If the outer strings of the course are tuned to guitar pitch, then tuning the middle string "an octave lower" would put the middle D string down to the bass-guitar D -- which seems ridiculously low for such a small instrument.
2) If it is the middle string of each course that is tuned to the guitar pitch, and the outer strings of each course are tuned an octave higher, that would put the outer strings on the "B" course up to the B above middle-C, a full octave above the guitar B-string. while not as outrageous as going all the way up to E, that still seems rather high for such a long scale.
So, in scientific notation, the basic question is whether to tune:
D3/D2/D3 - G3/G2/G3 - B3/B2/B3 - E4/E4/E4
which seems pretty low, or to tune
D4/D3/D4 - G4/G3/G4 - B4/B3/B4 - E4/E4/E4
which seems more reasonable, but those "B4's" worry me. That's a full major third above the high G string on a 12-string guitar, and considering the frequency with which that high-G seems to break . . .
Does anybody have any information, insights, sources to offer that will resolve my dilemma?
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