I think this is a Hoyt Axton song called "I Ain't Got A Worry"

Well I ain't got a worry, you know I ain't got a care
I'm going back to Frisco, all my friends are there

All my friends are there. All my friends are there

And when I get to Frisco, first thing that I'll say
Is hello San Francisco, heaven by the bay

It's heaven by the bay. Well-it's heaven by the bay

And when I get to Frisco, first thing that I'll do
I'll say hello everybody, and I'll say hello for you

Well say hello for you. Well say hello for you

Well I ain't got a worry, Hon I ain't got a care
I'm going back to Frisco, all my friends are there

All my friends are there. You know all my friends are there