Rob O'Friel hosts his show at WYEP in Pittsburgh.

The times keep on changing, but the song remains the same.

For more than 400 weeks, Cranberry's Rob O'Friel has opened his Pittsburgh radio show with the same song: “Rollin' and Tumblin'.”

There's a catch. He plays a different version of the classic blues tune every show, and has yet to repeat the same track twice. He played his 402nd version of the song Saturday.

“People just keep making new versions,” O'Friel said. “It's such a blues standard and such a classic. Every month, I find two or three new versions of it.”

Read more in Monday's Butler Eagle.