List, I keep computer records but have been wanting to keep something in pianos also...I found a plastic 3.5" floppy holder (packet of 5) with adhesive backing. Peel off the backing and they adhere quite nicely. They easily hold a small card or folded paper. This would be especially helpful for institutions? I attach to bottom of music rack on grands and inside music rack or lid of uprights. David I.
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