more obvious, and therefore more influential samples were used on "i am the walrus"—a live bbc third programme broadcast of "king lear" was mixed into the track on 29 september 1967. mccartney has also described a lost opportunity of "live sampling": the emi studio was set up in such a way that the echo track from the echo chamber could be picked up in any of the control rooms. paul jones was recording in a studio whilst "i am the walrus" was being mixed and the beatles were tempted to "nick" (steal) some of jones's singing to put into the mix.