Washington, January 15 : Sir Paul Mccartney has revealed that he never steps out of the house unless he has pocketed his tiny harmonica.

Narrating a particular incident, the former Beatle said that the little instrument helped him entertain people even on the go.

"It''s a very little harmonica. I think it came out of a Christmas cracker," Contactmusic quoted him as revealing on the U. S. TV talk show The View.

"I was once going through an airport and there was a baby screaming. The mother was having a terrible time. So I went up to the baby and (started playing).

"And the baby just stared at me (open mouthed)," he added. (ANI)