Cf. contents of the compact disc, p. 113 : "Bogi turrada of Aggius performed by singers from Castelsardo : Matteo Santoni, contra ; Salvatore Tica, bogi ; Salvatore Brozzu, falsittu.
Reference to the traditional song of Aggius and its avaters : Chapter 11 "Aggius".
Recorded in Castelsardo, around a table at Guiseppe Brozzu's
Text..."