"I join in prayer for the families of the miners who died in the catastrophe of the Halemba mine at Ruda l¹ska". This was said yesterday morning by the Pope, after the Angelus prayer. Among the Italian-speaking pilgrims, Benedict XVI greeted "in particular the many choirmasters, musicians and singers who take part in the XXVIII national congress of church music, promoted by Associazione italiana Santa Cecilia". "I am glad you have commemorated, fifty years after his death he said , the great master Lorenzo Perosi, who was the choirmaster of the Sistine Chapel and left music works of great religious inspiration. I wish you may be true evangelisers, with the expression of the beauty and harmony of your musical art". Finally, on the occasion of the Italian Day for the Research on Cancer, the Holy Father expressed his "encouragement to the associations and research workers who work at fighting this disease".