Most of my GAS for the past decade has been toward electric guitars, pedals, amps, and such. In fact I'm currently de-gassing some of the electric stuff I acquired from sprees, having sold several guitars and a couple of amps, and I'm now working on thinning out a considerable pedal collection.
But I also had an earlier wave of acoustic gear acquisition. Back in the 1980s I became enthralled with world music, especially those involving stringed instruments. I acquired quite a few, including a Turkish oud and saz, a Syrian oud, an Iranian tar, setar, tanbur, an Indian sarangi and santur, Japanese koto, Chinese guqin and guzheng, and a few others. Also picked up some percussion, including a few Nigerian udu drums and a Hausa talking drum, an Iranian tombek, and a couple of sets of tablas. Most are still around, although the Syrian oud was a casualty of dry heat in my NYC flat at the time and I gave away one set of tablas to a student who took an interest. I also studied many of the instruments, taking extended lessons on oud, and introductory lessons on tanbur, tablas and sarangi. I got good enough on the oud, after taking lessons with a Syrian player, to form an Arabic music quartet (oud, upright bass, viola and percussion) when I was in college, and we played a few gigs around town. Nowadays they're mostly conversation pieces and memories to share. But although my main interest now is jazz, I do pick one or two up once in a while to dabble.
Here's a video playing a tar in one of the many music shops in Tehran's musical instrument district:
And another one playing a barbat (Iranian style oud) in the Tehran Museum of Music:
And here's a video of a student playing my koto, while I follow along on my Spanish guitar:
Some random photos of the other instruments gathered during my world music phase:
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Gambian kora, back in my college days in New York during the late 1980s:
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Turkish oud, jamming with a darabukkah player during the early 1990s:
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With the luthier who built my saz in Istanbul, along with apprentice, in the late 1990s:
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More recently, with the luthier who built my setar, at who's shop we jammed:
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And with the luthier who built my tanbur, showing me how to restring it: