"Don't Be Cruel" was released this day in 1956. It went on to be a #1 single on the Pop, Country and R&B charts. It stayed #1 for a record 11 weeks. The #2 song on the chart was the flip-side "Hound Dog" which was released a month before "Don't Be Cruel" giving Elvis the top 2 chart positions on Billboard. Here's Elvis singing this chart topper....