Articles / Miscellaneous 10 percent off EVERYTHING at InstrumentPro.com December 1, 2006 0 comments It's a great time to buy a theremin or theremin accessories at InstrumentPro! The store is offering 10% off everything they sell between now and midnight, December 24th. Just use the coupon code XMAS at checkout to get your discount. Take me to InstrumentPro now! For Sale Posted by Jason December 1, 2006