1.   Also, making DVD audio disks will require new and expensive equipment for recording studios.

2.   At noon Thursday, Phil Brandenberger of Philadelphia went shopping for a compact audio disk, paid for it with his credit card and made history.

3.   But older DVD video players will not play the new audio disks, and neither will CD players.

4.   CD Plus, a hybrid audio disk and computer CD-ROM, replaces the much-missed liner notes and artwork of album-jacket in days passed.

5.   First-generation DVD-ROM players could play CD-ROM and audio disks but choked on the recordable CD-R format.

6.   Play both CD-ROMs and CD audio disks in the CD-ROM drive.

7.   Some record company executives want the new DVD audio disks to be playable on CD players as well.

8.   The audio disk drew its power from another source, so because it had never stopped playing, the dancers found themselves almost exactly on cue.

9.   The major music retailers, meanwhile, say they plan to stock DVD audio disks, and not the Sony-Philips alternative.

10.   The pure audio disks are expected to avoid compression.