WATCH: LADY GAGA COVERS 'WHAT'S UP' BY 4 NON BLONDES (LIVE PERFORMANCE)

Lady Gaga shows off her great vocal as she performed a fiery cover of 1993 classic "What's Up" by 4 Non Blondes.

The video is live footage and vocals from the sound board from #artRaveVienna.

Lady Gaga was so into this powerful performance that she even picked up a stuffed toy and chucked it to the ground.

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Lady Gaga is now on tour for #artRAVE: The ARTPOP Ball -- headlining songs from her third studio album "Artpop." Recently she released a collaboration album with Tony Bennett called "Cheek To Cheek."