Note: The dry white sands on the north-west side of the Isle of Eigg are said to produce a musical sound when walked upon.
(Note ETF: The official original text tells 1W to dance round 2M on bars 5-6, and set to 2M on bars 7-8. This is not danceable. This crib follows the dance as originally taught, without that extra setting.
Note: on  the original says »RH«, but »BH« is widely used.
»Easier version« for [17-20]: As couples meet the W join NH with P who maintain RHA (continue as described)