There has been since the latest UI update. On the desktop, every track or album has a "save" button that looks like a +, which will add it to your library, whic

There has been since the latest UI update. On the desktop, every track or album has a "save" button that looks like a +, which will add it to your library, which can be sorted by either album or artist. On Android it's under the menu button for each track. I can't speak for iOS, though.