||Snow 1977, no. 199, revised 2007: "This is a summary of GM's induction address, the original being lost. It seems to have been a careful review of the facts about music in Spain that exposed Ribera's (and others') exaggerations about the Arabic influence on the CSM. At the induction, eight cantigas (258, 406, 327, 306, 179, 354, 126, and 4) were sung to piano accompaniment. I have not been able to discover whose arrangements these were."