There is no sound at all while running Teach Yourself to Sing.
1)Make sure that the volume on your computer and your computer speakers are turned up sufficiently.
There is some sound while running Teach Yourself to Sing, but there is no video sound or music in the song player..
1)Check to confirm that Quicktime Version 3.0 (or higher) is installed properly on your computer. (Note: The Quicktime Installer is included separately on the Teach Yourself to Sing CD-ROM.)
2)Close any other programs that may be running besides Mac OS and Teach Yourself to Sing.
3)Check ΓÇÿMIDI SetupΓÇÖ options to ensure that a valid MIDI device is selected.
4)Install OMS from Teach Yourself to Sing CD-ROM to use an external MIDI device.
Teach Yourself to Sing displays smaller than full-screen.
1)Check to confirm that your monitorΓÇÖs resolution is set to 640 x 480 pixels, the optimum setting to view Teach Yourself to Sing.