If you are thinking "but that's the same as a sixth" then you'd be right, it certainly is. The Great Highland bagpipe scale is considered three interlaced pentatonic scales. Brian Ongaro. Examples of its use include Chopin's Etude in G-flat Major, op. International Journal of Ventilation Computational of the wind velocity effect on infiltration rates in an individual building using multi-zone airflow model.
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