. "No, the use of orchestral/classical instruments in their music began with the Please Please Me with George Martin's overdubs of a piano on Misery (it may be easy to dismiss the piano, as it featured in so many forms of music, but it first made its impact in classical music), and - less arguable - the overdub of a celesta aka a celeste (a struck idiophone operated by a keyboard) onto Baby it is" . . .