I would love it if there was an option to pin a layer (or multiple layers) on top of a stack of other composition layers.
Benefit? If I worked with any of the layers below, I would still have as visible reference audio waveform, markers, keyframes etc.
I've attached a quick demonstration of the desired behavior.
![ae pin demo 4.gif ae pin demo 4.gif](https://community.adobe.com/t5/image/serverpage/image-id/675088i9BA7FA70499CEF36/image-size/large/is-moderation-mode/true?v=v2&px=999)