I think it would be nice to add artists to our favorite list from the queue / now the playing location.
PC: When in the queue it would be nice to have a heart next to the artists name as well as in the 3 dot menu.
Mobile: when in queue we could click 3 dots have add artists to favorites then when having multiple artists it would be nice to have a long hold option on the artist picture to add them to our favorites.
For me it seems to be a lot of needless windows / clicking the back arrow.