 Complete the following phrase:  Cardinal Aleman was driven from Bologna by the rival Canedoli family in 1428, and Du Fay also left, going to Rome. He became a member of the Papal Choir, the most prestigious musical establishment in Europe, serving first Pope Martin V, and then after the death of Pope Martin in 1431, Pope Eugene IV. By this time his fame had spread, and he had become one of the most respected musicians in Europe. As a consequence, honors in the form of benefices came to him from churches in his homeland. In 1434 he was appointed maistre de chappelle in Savoy, where he served Duke Amédée VIII. He had left Rome because of a crisis in the fices of the papal choir while seeking to escape the turbulence and uncertainty during the struggle between the papacy and the 