The Latin poem Stabat Mater Dolorosa is generally attributed to Jacopone, although this has been disputed. It is a fine example of religious lyric in the Franciscan tradition (SEE YOUTUBE BELOW). It was inserted into the Roman Missal and Breviary in 1727 for the Feast of the Seven Sorrows of the Blessed Virgin Mary, celebrated on the Friday before Good Friday. Following changes by Pope Pius XII, it now appears on the Feast of Our Lady's Sorrows celebrated on 15 September. Many composers have set it to music.