원본: Giles Swayne. In July 1998 I decided that I would use a theorbo in Havoc, a piece I was writing for the 1999 Proms. Groundwork Op.80.
번역: 자일즈 Swayne. The other is that it is a set of variations over a ground bass. 기초 Op.80. 악보. 류트. 류트. 자일즈 Swayne.
