The National Catholic Register published an article on Sacred music a few days ago. Here are some excerpts:
HE HIGHEST FORM of song, as expressed in Sacrosanctum Concilium, the Second Vatican Council’s dogmatic constitution on the sacred liturgy, is Gregorian chant. The form, history and performance style of this centuries-old liturgical practice are taught by Nicholas Will to Franciscan music majors. Despite most of them not having prior experience with the subject, they have been comfortable with learning it. […]
Kurt Poterack cites the resurgence of the once-dormant Church Music Association of America, the publication of the Adoremus Hymnal, St. Michael Hymnal, St. Edmund Campion Hymnal and the sacred music from the Society of St. John Cantius and the Benedictines of Mary, Queen of the Apostles, as examples of a renewal that “would have been unthinkable 20 to 30 years ago.” [source]