Silly Question

[jonty4]

will a DVD player play CDs

[tonyav]

I have played CD's on a DVD player.

[Sam1960]

looks like it....
http://hometheater.about.com/od/dvdbasicsfaqs/f/dvdbasics10.htm

[Togo]

Yes but some systems need you to change the settings in system set up Buen will tell you everything in a flash.

[ukbod2015]

Yes they are backwards compatible.

[Tuvok]

Purchased or home made audio cds will work.

It will depend on the dvd player if it can play mp3 files.