can any random music cd be played on that device?
It can play CD-based games, audio CDs and CD+G discs.
Sega CD
Sega CD plays CD-based games and adds hardware functionality such as a faster central processing unit and graphic enhancements like sprite scaling and rotation. It can also play audio CDs and CD+G discs.

what is 'sega cd'? A  CD-ROM accessory for the Mega Drive/Genesis . which company manufactured them? Sega. name a few electronic parts of this product. The CPU is a Motorola 68000 processor,a Backup RAM cartridge, RCA pin jacks, etc. when was this product first time sold in the market? It was released in Japan on December 12, 1991. what are the different models of this product? Two preivious models developed by Sega , and the Genesis CDX,  X'Eye,  Wondermega and others.
wiki:19607335
Sega CD [SEP] Introduction
2.24 million Sega CD units were sold by March 1996, after which Sega discontinued the system to focus on the Sega Saturn. Retrospective reception is mixed, with praise for individual games and additional functions, but criticism for its lack of deep games, high price, and support from Sega.