Enlaces relacionados: https://en.wikipedia.org/wiki/Sergio_Vartolo

Fuente consultada

Versetti per organo, 1997

WWW Wikipedia, 09-12-2015

Información encontrada

(Sergio Vartolo (Bologna, 1944) is an Italian harpsichordist, organist, musicologist and conductor; in past also active as countertenor)

port. (prefazione di Sergio Vartolo)