By EW Staff
Updated October 27, 1995 at 04:00 AM EDT

Discovering Music: (Voyetra, CD-ROM for PC, $79.95) Rationalize to the kids that you want this disc for the educational sections-a visual dictionary of instruments, a glossary of musical terms, and a time line and biographies of myriad composers-all of which accentuate text and still images with audio and video clips. But late at night when the kids are asleep, you’ll pull on that old leather jacket and play a host of built-in instruments or record your ditties and print out sheet music. High-end users can even add a MIDI keyboard. In fact, so you don’t have to share time on this easy-to-use but addictive disc, you might consider renting the kids a video. A-