Thanks to: King contribution
Source: Apple App Store
Polymnia is a visualizer app for playing iPod Library’s music with visual effects.
– Five kinds of visualizers.(and some variations)
– Easy to use like a built-in music app.
– Support full screen mode.
– Playing songs in the background.
– Adjusting sound delay for a bluetooth speaker.
– Cannot play DRM-protected music or videos.
– Some icons are created by Icons8 (http://icons8.com/).