At least this proves that cats actually listen to us.
Instagram user @anjalo2 is friends with @spazaline, who has a cat but no singing voice. The cat, in turn, has ears but no patience. As @anjalo2 aptly (and depressingly) sums it up in his description of this video,
@spazaline is in an abusive relationship
To be fair, I don't know if the cat would be any nicer if @spazaline had the chops to be in the next Pitch Perfect movie. It's entirely possible that this kitty would have karate chopped Pavarotti if the cat had been using the opera tenor's belly as a sleeping spot (and what a spot that would have been).