Lady Gaga."That was great. I was really nervous when I first heard that," she told Ellen. "Then I prepared. I realized I had to learn 'Smelly Cat' again.
I tuned my guitar and realized I don't know the chords. But I Googled it! All the chords were there."Lisa performed the song many times while starring as Phoebe Buffay on the famed NBC sitcom.
Still, performing it with Gaga was nerve-racking. In fact, she essentially froze just before the duet."My throat closed. I was so panicked.
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