Nor are they people who cannot afford a compact disk player.

But the machines, unlike compact disk players, allow consumers to tape their own music.

About seven million compact disk players have been sold since 1983, the year they were introduced.

None of the three companies are yet buying cars with compact disk players.

Last year someone won a compact disk player for their car," she said.

The disks are played on a special compact disk player connected to a personal computer.

Computer codes will allow the player to move automatically to particular songs, as compact disk players can.

As one woman explained, "A compact disk player just would not fit into our life style."

Several excellent compact disk players now list at $299 and often sell for less.

There is, too, a 120-watt sound system that incorporates a compact disk player and has 10 speakers.