function tritonics($scale = null) {
		if (is_null($scale)) {
			$scale = $this->scale;
		}
		return $this->findIntervalics(7, $scale);
	}
function tritonics($scale = null) {
		if (is_null($scale)) {
			$scale = $this->scale;
		}
		return $this->findIntervalics(7, $scale);
	}
function tritonics ( $ scale = null ) { if ( is_null ( $ scale ) ) { $ scale = $ this -> scale ; } return $ this -> findIntervalics ( 7 , $ scale ) ; }
returns the bits that have a tritone above them
returns the bits that have a tritone above them