Shifu Music Suggestion Animation

I worked on Shifu about 2 years back. The application predicted what you might want to do next based on your phone usage, the kind of music you like etc. The app got acquired by Paytm, India. Here is one of the several interactions we designed for how music feature would work.

PS: Can anyone help me understand why does the white background from the cards disappears and then reappears.. I used principle to animate it.