The track title is Mr Bones and it's composed by Michael Walthius. You can play the tracks using a standard hi-fi CD player or. If your CD file system has audio replay support, directly from your Amiga's Workbench Most CD file systems will display a CDDA' icon when inserting CUCD14. Clicking on this should make your CD-ROM play the first track via its audio output jacks. On a hi-fi CD player, the first audio track is track 2. Turn the volume down in case the CD player decides not to mute the data track on track 1. The first track (2) is GMPlay playing Mr Bones using the Amiga's internal sound features, while the second track (3) is the same MIDI XG file played via Project XG connected up to an Amiga. You can find more of Michael Walthius' compositions on his Web site at http: www.keybdwizrd.com CU Amiga CUCDs now make use of a utility called 'IDer1. Ider is placed in every so-called icon 'tool type' for project icons on the CD. Project icons are normally found on items such as pictures, text files and so on. H you expect a program to be launched to view read play the file you clicked on. It is a project icon and it will be now using Ider.