Paul Simon was just 26 years old when he looked his distant future with Art Garfunkel on the song “Old Friends.” “Can you imagine us years from today sharing a park bench silently?” he wrote. “How terribly strange to be seventy.”

That “terribly strange” birthday arrived in October of 2011, and Paul wasn’t exactly a mute, geriatric figure on a park bench. He was on tour promoting his fantastic new album So Beautiful or So What, singing and playing as well as ever. And he’s far from alone. Many of his peers have crossed the seventy threshold in recent years, and most of them are still touring and recording. Here’s a look at 30 rock stars past their 70th birthday.