From its drone-smeared synth throb to its bizarro hook, Gaga's latest club-crusher is a feistier monster than "Born This Way." A bad-romance confessional about a lover she can't leave behind, "Judas" is Gaga in full-on provocateur mode. (The video's Mary Magdalene motif already has Catholics
bunching their undies.) But even when Gaga plays divider, she's still a uniter; despite lines like "In the most biblical sense, I am beyond repentance/Fame hooker, prostitute, wench," she works her grandma-scandalizing magic without losing any of her anthemic whoosh.

Listen to "Judas":

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“Help Me”

Joni Mitchell wrote and recorded this song for her album Court and Spark, but she had to switch from her regular band to make the song sound exactly the way she wanted. "I had attempted to play my music with rock & roll players," she told Rolling Stone. "They’d laugh, 'Awww, isn't that cute? She's trying to teach us how to play.'" Mitchell switched to a jazz band, Tom Scott’s L.A. Express, and scored the biggest hit of her career in the process.