In a new online Q&A, Paul McCartney discussed the “nerve-wracking,” “nail-biting” experience of recording a new duet with Barbra Streisand.

It was a dream I didn’t think of. It seemed impossible. But which turned out to be wonderfully amazing when it did come true.

Paul McCartney says he was "pretty terrified" to work with Barbra Streisand on their new duet "My Valentine," which will appear on her upcoming album 'The Secret of Life: Partners, Volume Two.' ...