This is probably the best game music playing string quintet I’ve ever heard ’till now:

Here’s the order of performance:
The Legend of Zelda, Pokemon, Halo, Tetris, Kirby, Pong, Super Mario Bros. and Super Mario World.
Credits:
1st Violin – Koyo Kim (Mario)
2nd Violin – Gen Kim (Ash Ketchum)
Viola – Justine Preston (Luigi)
1st Cello – Lennart Jansson (Link)
2nd Cello – Sarah Stone (Princess Peach)
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Source: Kotaku