It is a great example of the "Harlem stride" style, where the pianist maintains a bouncing rhythm with the left hand (often playing bass notes on the beat and chords on the off-beat) while playing a syncopated melody with the right hand. Vikings S01 - 06.mkv
(for example, a specific anime soundtrack, a modern lo-fi track, or if you need sheet music/analysis for the Fats Waller piece), please provide a little more context, and I would be happy to help further! 18 Nymphomaniac Vol I 2013 Hindi Bluray Repack Making It A
There are a few possibilities for what this piece might be, depending on the context you are looking for: