Fr. Matthew P. Schneider, LC SThD interviews Fr. Uwe Michael Lang on the liturgy and Sacrosanctum Concilium, which is the council document on the liturgy. More information and support: FrMatthewLC.com/Vatican SQPN.com/Vatican Fr. Lang's book: A Short History of the Roman Mass https://www.amazon.com/Short-History-Roman-Mass/dp/1621646971/ Theme: Ave Maris Stella performed by Fr. Andreas Kramarz, LC PhD and the Cheshire seminary choir, used with permission. lccheshire.org