It is the shortcut bar music icon.

Huawei's drop-down shortcut bar music does not support removal. It only supports switching to Huawei Music, QQ Music, NetEase Cloud Music, Kugou Music, Kuwo Music, etc. when playing music. The switching method is as follows:

1. Swipe down from the right side of the phone screen to open the control center, and click on the picture area in the upper left corner of the music card.

2. Select the music player you want to switch to.