This is a misspelling of "Pretentious, Moi?". Spotify has removed the comma from the band's name as it was being interpreted as two separate artists ("Pretentious" and "Moi?"), and was originally being scrobbled as "Pretentious".

Here is the band's main page: http://www.last.fm/music/Pretentious,+Moi%3F Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.