i understand now that "Music Explorer" is oriented Artist, so filters are less useful than in the Music" tab (but it could have filter the display by album (Compilations, Ep, Remix... ) it would have been logic but perhaps not really interesting it's true...
i have another question about the "Top Track Panel"
would it be possible in the "Music" tab to have the same "Top Track Panel" (if it is) like in the "Music Explorer" as shown in the second picture in my first post ?