A young opera singer was practicing on a live cast when her cat joined in for an impromptu duet.

Maura, who goes by @maura.music online, seemed annoyed at first when her cat, Maximino, hopped up on the desk and walked between her and the camera.

She opened her mouth and drew breath for the next line, then cackled with delight as Maximino cut in for the second verse:

Maura, who has been involved in opera for about 10 years, told Newsweek the video was recorded “a few years ago.” She posted it online on Aug. 11 and it’s since gone viral.

Maximino “loves music, and the only way I can get him to follow me is by whistling his favorite tunes,” she said.

The Persian is an especially vocal cat who “screams” at Maura when he wants something, which sounds an awful lot like another furry little guy we know.

In a second video recorded after the first one went viral, Maura tells Maximino “you’re famous!” before trading off with him again, with her singing in Italian while he answers in meow: