The number four is significant in Aboriginal philosophies. Style refers to the way the ingredients of music are put together to create a distinctive sound. For example, classical music is stylistically different from jazz. The elements of pitch, rhythm, harmony, etc. are used in each, but in different ways. A sequence is a short segment of melody that repeats, but each time a little higher or lower in pitch than the time before.
Range refers to the distance between the highest note and the lowest note in a song.
Register refers to the notes being mostly low, mostly high, etc. Try to be as specific as possible when setting up sound experiments or composition exercises without inhibiting the students' imagination. Organize experiments around themes or elements. Throughout the creative process, students should be encouraged to reflect on their work and discuss how it might be improved. Upon completion, they could discuss what they would do differently next time.