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						If you play twelve perfect fifths up in succcession you will reach the octave that is seven octaves higher. If you play twelve perfect fifths down in succession you will reach the octave that is seven octaves lower. 
Play twelve perfect fifths up to reach seven octaves higher 
Play twelve perfect fifths down to reach seven octaves lower 
Play ascending perfect fifths starting a half step higher for each interval then play descending perfect fifths starting a half step higher  for each interval. 
Play descending perfect fifths starting a half step lower for each interval then play ascending perfect fifths starting a half step lower  for each interval.
						 
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