mixing two CD sources question

In article m,
Howard9 wrote:
I want to play a CD that is made up basically of silence mixed with
an announcement that comes up every ten minutes - though the same
speakers at the same time as the music.

Can I just get a small walkman and connect it to the speakers in
parallel ?

No.

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*Proofread carefully to see if you any words out or mispeld something *

Dave Plowman London SW 12
RIP Acorn