This small folder .sit contains .scl files to LucyTune virtual instruments with Logic 7, so that A = 440Hz. and enables users to play in tune with other LucyTuned instruments. Up to twelve named notes per octave may be used. The files permit users to experiment with different note tunings for mdifiles or midi performances. The files may also be used to play/hear compositions which were originally realised in 12 note equal temperament, and to provide diverse levels of consonance and dissonnance. Midi players may use it to compose and improvise using a choice of alternative tunings.