3. 'I Swear' by All-4-One
John Michael Montgomery may have performed “I Swear” first, but R&B group All-4-One definitely popularized it. Released on April 28, 1994, All-4-One’s version of the song — which was produced by David Foster — sat at No. 1 on the Billboard Hot 100 for 11 consecutive weeks. —XFINITY Entertainment Staff (Photo: Ethan Miller/Getty)
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