St. Cecilia's Choir from St. Mary's Polish Church performed a tribute concert with the Men of the Deeps for their centenary on July 6th and 2013. Here are three video clips from that concert and this heavenly choir:

Czarna Madonna

Czarna Madonna: Concert Performance of St. Cecilia Choir - Czarna Madonna

Dear Lady

Dear Lady: Concert Performance of St. Cecilia Choir - Dear Lady

O Boze Panie Moj

O Boze Panie Moj: Concert Performance of St. Cecilia Choir - O Boze Panie Moj