I like it. Even in it's rough draft, I think it has a good sound and feel to it. I like the synth part and I think the guitar is a nice counterpart to it. Look forward to hear how it develops.

Dunno what I did in early May, but somehow missed this one. Has a good tempo and length, very nice flow and I love the combination of these groovy drums, your (slightly tube-overdriven?) guitar riff and this deep synth, serving as bass and ambient pad. Most important, there's still enough space in the mid frequencies where vocals reside, so it would give a proper environment for any kind of voices.
Right now, while typing, I'm singing along with it and find it perfect for warming up - just started my day about 20 minutes ago - and trying out vocal improvisation lines. Although your tune is basically set to key C, it also tends to key F, which allows to drop in some blue notes such as Bb (resulting in a C7 scale) or even a shy Eb (colouring it in a jazzy mood way).
Well, about our vocal range... Used to warm up with some Beatles songs when I was 20 years younger, haha. Today I'm having my problems in reaching their higher notes, which is sad for me, because actually I love high melodies and falsetto, e.g. for backing purposes a la Simon/Garfunkel.
Normally the human voice range keeps lowering down during life, not too bad - I could try to sing in a kinda Tom Waits style more often. Unfortunately it won't work in my case, for I'm only loosing high notes without winning any new bass range, haha.
Necessity is the mother of invention, so today I concentrate in techniques such as breathing, hitting and holding notes correctly, vibrato or clear articulation - rather than jumping through octaves or complex wide interval patterns as I did in former times.

Speaking of... analyzing non-western music, I not only came across interesting unusual rhythms, scales or instrumentations, but also discovered new singing techniques such as undertones and overtones, which opened a sort of exotic field of experiments and new expressions for me.
So here's my attempt of producing under- and overtones: The sample consists of two breaths, each one starting with the undertone (throat chant - 1 octave down) and return to normal voice with different added overtones (prime, 3rd or 5th respectively) depending on formed vowels. In the second breath I tried to switch the undertone to an even lower level which happens to be a 5th under the suboctave.
(Added a small amount of echo. No other post-processing was applied.)

It does show some good matching qualities for sure. When you listen to it by itself, it almost has a non human characteristic to it, which is actually kinda cool and unique sounding. When I get some time I am going to play with it some to see what I can do.

Groove On!!!