disc jockey
US /ˈdɪsk ˌdʒɑː.ki/
UK /ˈdɪsk ˌdʒɑː.ki/

1.
a person who introduces and plays recorded popular music on the radio or at a club or party
:
•
The disc jockey played all my favorite songs at the wedding.
•
She dreams of becoming a famous disc jockey.