Ethiopian music uses a distinct modal system that is pentatonic, with characteristically long intervals between some notes.

Those recommendations were included in the report of the Committee on the Peaceful Uses of Outer Space on its five year review of the implementation of the recommendations of UNISPACE III, which was submitted to the General Assembly at its fifty ninth session (A 59 174).

One construction takes five consecutive pitches from the circle of fifths starting on C, these are C, G, D, A, and E. Transposing the pitches to fit into one octave rearranges the pitches into the major pentatonic scale C, D, E, G, A.