Related to luddite:

When I press the CTRL + Reset keys when the disk spinns I get a

] + blinking coursor.

I tried several Systems and Disks.

I get always the notes, but they change if I use different disk.

Related to Twilight_Rodent

I have used Disks that I also use with my other Apples, they work on the other ones.

When I type CATALOG after seeing the notes - nothing happends.

I get a ] + blinking coursor after pressing Enter.

When I press CTRL + Reset keys when the disk spinns

and I get the Apple ] prompt and I type CATALOG

I get a SYNTAX ERROR after pressing Enter.