public boolean isBetween(ChordKey fromKey,ChordKey toKey){
		if(fromKey.getKey()<toKey.getKey())
			return ( this.getKey()>fromKey.getKey() && this.getKey()<toKey.getKey() );
		else if(fromKey.getKey()>toKey.getKey())
			return ( this.getKey()>fromKey.getKey() || this.getKey()<toKey.getKey() );
		else{
			return false;
//			if(this.getKey()==fromKey.getKey())
//				return false;
//			else
//				return true;
		}
	}