[Feature request] add music icon to music videos

[duckfriend123]

Checklist

• I have searched for existing issues (open and closed) and confirmed this feature hasn't been requested before
• I believe this feature request will benefit more than 10% of users, not just myself

Feature Description

youtube shows if a video is considered music by this little icon here:

which is not visible on non-music videos, here is an example

Feature Request

• show this icon for music videos vs non music videos
• differentiate default speed settings between normal videos and music videos (The vast majority of people want to watch normal videos at a default speed higher than 1.0, but music videos at the normal speed of 1.0)