There are multiple artists with the name Petrichor.

1. Petrichor is a melancholic/acoustic/ambient duo residing in British Columbia, Canada, formed in late 2014. Their music combines blends of soft, folk ballads with alternative/melancholic chord techniques.
Jordan Jongema - Lead Acoustic
Mitchell Davidson - Rhythm Acoustic

2. Simon Stokes, under the alias "Petrichor", is an experimental DJ who resides in Glasgow, Scotland. He produces a variety of genres, ranging from dark techno to upbeat Chicago-influenced, jazz-splattered house.

3. Petrichor is an alternative rock band from Dundee, Oregon. Their main style of music is grunge, but to be picky, they're progressive/alternative grunge.

4. Petrichor is a blackened doom metal band from Leeds, England. They play miserable music about nihilism and inclement weather.