too may compose musique concrète at the computer - no tape needed.
You will be able to transform pre-recorded sounds and construct short pieces that
have a beginning, a middle and an end.
Each piece can make musical sense instead of just being a series of sound effects.
To spark off some ideas, you may uses images as a support.
This site provides links, ideas and a sort of a lesson plan for combining an original
audio track to an image or images.