There are multiple artists with this name: 1) Hard-core/ nu metal band from Zielona Góra(Poland). 2) IDM/electronic artist from Washington D.C./Richmond, VA. On Nextus Records.

3) A dude from NY state who makes sweet beats in his spare time.
This Sars lives in NY state and goes by the name John Olsen.
He is part of the label "Non Existent Records" which was founded
by his e-friend Mitch. 4) A hardcore punk band from Salem, Oregon. Members went on to form the black metal band Leech, the stoner metal band Vault Dweller and the doom metal band Ancestortooth

Read more about Sars on Last.fm.