For those using regular 30mm X stands, you can go one better and get a boom attachment that slips into the back of the keyboard and attach the clip to it, assuming it has the standard mic threads.

I have one on the left stand support and another for my laptop stand on the right. It works great.

Bernie
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pa4X 76 ,SX900, Audya 76,Yamaha S970 , vArranger, Hammond SK1, Ketron SD40, Centerpoint Space Station, Bose compact