Playing the Mario theme on a piano is nothing new. However, playing a custom arranement with just one-hand on a piano is another story. Continue reading to see the amazing performance by YouTube user RigorMortis999 — bonus video included.

A commenter asks “Was that one hand for left AND right hand, or was it just a really intense right hand part?” and the artist, RigorMortis999 replies, “the former becoming the latter.”

[via Kotaku]