Double Double...

I picked up a double whistle, just for kicks, a while ago. It was cheap and I figured it would be fun to use from time to time for a silly look-what-happens-when-whistle-players-get-drunk thing. And down the slippery slope into a new musical realm I went!

Double Whistle in C (Susato Dulce Duo)

The first double whistle I got has a full pennywhistle on the left and a three-holed tabor whistle on the right (same as the last 3 holes of a whistle.) The instrument maker imagined this instrument being played with the left hand on the pennywhistle side and the right hand on the 3 holed whistle. You can play in F major with the harmony and melody switching from whistle to whistle and dancing around each other as needed quite easily this way. However, the seller suggested using 4 fingers on the left hand by adding the pinky on the whistle to get some notes that overlap on both instruments and some neat parallel 3rds. Both strategies are quite fun and create great music.
Naturally, I did neither of these things.
Instead, I use tape to cover the top 2 holes of the 3 holed side and use my pinky to cover the last hole. I still use both hands to play the left side whistle normally. This basically turns the right side whistle into a 2 note drone in the bottom octave. Now the nifty thing is, in the next octave those drone notes can be overblown to the 5th as well and gives me 4 notes up there. Getting even wilder, if I uncover one side of the mouthpiece slightly I can (with great care and practice) keep one whistle in the low octave while going high on the other. To a point since this does affect the tone quality some.
What all this boils down to is I have 6 possible harmony notes available to me along with a full whistle for melody. Dorian tunes really shine in this set up and major is great fun too.
By the way, you can find instructions on-line for taking two cheap whistles and making this design yourself if you want. Most separate the two whistles more than this into a wide V-shape which makes reaching the bottom hole with your pinky difficult (if you want the alternating drone set-up) but creates a neat visual impact (if you use the one-hand-on-each-whistle approach).

Double Whistle with Tabor Pipe by Carbony Celtic Winds

But wait, there's more!
I then went out and found someone who would make a double whistle with a tabor pipe on the right that has 2 holes in front and a thumb hole in the back. I covered the middle hole (upper one in the front) on the right side tabor pipe so my pinky still covers the bottom hole and my thumb covers the higher 3rd hole but all my other fingers are free for the pennywhistle on the left side. AND I can half-hole the thumb creating 4 possible harmony notes in the bottom octave and nearly a full octave possible in the 2nd octave. While STILL being able to play the pennywhistle side (more or less) normally.

Back

Thus explaining why I now look permanently confused and distracted--I'm recalculating all my fingering and harmony strategies!
D Dorian (minor with a raised 6th) is perhaps the easiest scale to use with these double whistles. However, with a little creative thinking (and knowledge of music theory) it is quite possible to play in C or F major, F Lydian (major with raised 4th), G Mixolydian (major with a lowered 7th) and A Aeolian (minor). The tabor pipe side can be used for mostly long chord/drone notes or with more lively moving notes. The line between harmony and melody gets a bit blurry with the moving notes but that is part of the charm.
Notice that the two sides are even closer together making it very easy for the fingers to reach all the holes on both whistles.

I know I haven't even come close to figuring out everything I can do with this yet. But here is a sample of what I've done so far. (This track was recorded beside a rushing creek after a heavy downpour.)




I said at the beginning this is a drunk whistle player trick. But I actually think it is more than that. I think this instrument shows a heavy influence from South American Indigenous flute music which delights in using multiple flutes at once. Both by having a single player handle two (or more) instruments and by having multiple players on flutes.
So I suppose it only makes sense that next I got a double ocarina, an instrument that originated in South America. The double ocarina has two chambers a fifth apart that each play one octave with a completely different fingering arrangement than I'm used to. The tone is dark and rich in spite of being high. This all makes this instrument quite different from the other doubles, especially how the tonic note shifts from one key to another in the middle of a tune!

So that's how a whim became a whole new set of musical ideas and experiences. I'll just be heading off to play some solo duets now...