Madonna has dancing, songwriting, emotional singing, creativity over Gaga. Madonna's range is a bit messy but she has won a Golden Globe over that so
Gaga has a wider and stronger voice.
Gaga and it's not even close.
Gaga crushes Madonna on every artistic level.
The one 1 thing Madonna has over Gaga is a MUCH better business mind.
That's why 3 decades into her career shes still relevant while Gaga is making 1 tragic decision after the other.
That Jazz Album is just the latest tragedy.
Older, has-been artists (Barbra streisand, rod Stewart. ...) are expected to do those kind of albums. For gaga to do that right at the most fragile time of her career is career malpractice.
It's as if Rihanna came out of RatedR and decided that her follow up album should have been an entire duet reggae album with Jimmy Cliff.