The mark consists of an audible logo comprising the following musical notes in the key of A Flat. It is written in the treble or G Clef and bass or F Clef and the metronomic beat shows 250 bpm or 250 beats per measure (quite fast) - Part One - Db,Eb,Ab,Db,Eb,Ab,Db,Eb,Ab; Part Two - Ab,Db,Eb,Ab; Part Three - Db,Eb,Ab,Db,Eb,Ab,Db,Eb,Ab; Part Four - Ab,Db,Eb,Ab; Part Five - Ab,Eb,Ab,Eb,Ab; Part Six - Ab.