I picked up a new rug for the studio. Previously the whole floor had some very generic low-pile homegoods store carpet, but we had a massive intake of water last fall. No damage to equipment... just the carpet. It was gross.
I ripped it up and since then we've had a bare concrete situation in the majority of the space (you can still see some of the old carpet on the right that didn't get water damage). Definitely not ideal.
This rug is from IKEA, it's nice and comfy. We recorded some scratch guitar/vocals for an upcoming play last night and having warm feet was a real plus.