Two appointed. Zadok comments on one:

Mons Peter J Elliott, who is the author of Ceremonies of the Modern Roman Rite – probably the sanest and most reasonable practical book on how to celebrate the liturgy of Paul VI.

A Confused Papist blogger attended Mass celebrated by Msgr. Elliot earlier this year, and reports, briefly.

Through which we also find Curt Jester’s Motu Proprio Pool: