As to some of the things that go on in the Institute, read Pray Tell here.

http://www.praytellblog.com/index.php/2011/05/30/clash-of-choirs-pugnacious-about-palestrina/
Moderators: Dom Perignon, Casimir
careful!...the fundamental criteria of Tradition, which I limit myself to recall:
the sense of prayer, of dignity and of beauty;
the full adherence to the texts and to the liturgical gestures;
the involvement of the assembly
oops! I'd better keep the other side happy nowand, therefore (not 'finally' as in the Zenit translation) the legitimate adaptation to the local culture,
i.e. Latinpreserving at the same time the universality of the language;
the primacy of Gregorian chant, as supreme model of sacred music;
and the wise appreciation of the other expressive forms which form part of the historical-liturgical patrimony of the Church, especially but not only, polyphony;
the importance of the "schola cantorum," in particular in the cathedral churches.
John Ainslie wrote:The letter contains a wonderful example of Roman double-speak - lauding two opposing views without the slightest indication of how they are to be reconciled. Proponents of both views can claim support, and both sides remain as far apart as ever.