Opinions on UI I made

Opinions on this simple UI I made for a project?

I’m no where near good with UI, but I wanted to step out of my comfort zone a little. I used Adobe XD. Its supposed to be simple.

Thanks for any feedback!

Looks simple and good for a music player, something you can do its to cut the grey square in 2 sections: One for the music title and other one for the time left / audio or vid length. Also making a bit more thick the cyan slider :slight_smile:

Its supposed to be like the top bar of a browser, for example chrome. The little blue thing is to show the selected tab, since I’ve been having trouble with showing it other ways.