You'd like the fascinating spread triangles on screen. It is a pretty cool Spotify visualizer online with an amazing 3D effect. Then when you're playing music in your Spotify, the visualizers will begin showing you animated pictures. You just need to visit the website and then log into your Spotify account. So, alternatively, you need a 3-party Spotify music visualizer! Don't know which one to choose? This article lists the top 10 visualizers for Spotify. Somehow now this feature is removed for good.
In the old days, in the desktop version of Spotify you can search 'spotify:app:visualizer' and get the Spotify built-in music visualizer. Just watching the album cover appear on the screen, it's not cool! Surprise me please! Music visualizer can generate animated images based on the rhythm and beat of the song, so you won't feel bored.