I was alerted to this Mass by a reader:
Glen Cove (Long Island), New York
St. Patrick's Church
235 Glen Street
6:30 p.m. Solemn Votive Mass of Blessed Karl of Austria
In the Extraordinary Form of the Roman Rite with music by Our Lady of the Angels Young Womens' Chorus. Canonry of Saint Leopold (Canons Regular of Saint Augustine)
The Very Rev'd Dom Daniel Stephen Nash, Can. Reg. Prior
For more information regarding Blessed Karl of Austria see the Beatification and Canonization Site.