Washington, May 22 -- Singer-songwriter and musician Paul McCartney recently recorded a duet of his song 'My Valentine' with Barbra Streisand and admitted that he found the process "nerve-wracking" and "nail-biting."

In a blog post shared to his website, McCartney, 82, opened up about working with Streisand, 83, on the track, which will appear on her upcoming record The Secret of Life: Partners, Volume Two, out June 27, reported People.

"I did the session with her in LA and I was pretty terrified. I think the session was about three hours, you know, a normal kind of session, and it was produced by my friend Peter Asher," McCartney wrote. "But it started off with a big 40-piece orchestra on the Sony lot... and we were on 'The Barbra Stre...