Answer:
You saw me where I never was and where I could not be. And yet within that very place, my face you often see.
My first is an insect; my second is a border; my whole puts the face in a tuneful disorder.
Which button does not function when being pressed?
A home of wood in a wooded place, but built not by hand. High above the earthen ground, it holds its pale blue gems. What is it?
I have legs but never walk, I may have flowers but no soil, I hold food but never eat.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?