Hi there.
I believe the answer you are looking for is
Printing Press
The answer should be false, for if you hear the music without seeing it, it can still be enjoyed.
Answer:
Clean Out All Region Chests
Explanation:
One way to earn Glimmer quickly is to visit each planet and clean out all Region Chests. These are marked on the map as a cross with dot in the middle of it. Each one you open can give you some gear, but after reaching max Power level it's unlikely you'll find much value from that.
