Shawn Tribe often writes the most marvellous articles on The New Liturgical Movement, and so I always recommend his website for daily reading. Most especially I want to point out a post of his from 19 May 2011 that will prove to be very useful to anyone with a concern for the character of the Sacred Liturgy. His post is not very long but rich with the Church's authoritative teaching which at the same time is also profoundly beautiful. His Brief Meditations on the Sacred Liturgy are of course from a Roman Catholic perspective, and I think it essential reading for Catholics but also very appropriate for those involved in similar discussions among Eastern Catholics, Eastern Orthodox, Anglicans, Methodists, Lutherans, and Presbyterians:
+Laus Deo!
