this is frank la rocca. you can see his website. music and learn about the band. the other is that benedict 16th institute, an initiative of the archdiocese to bring beauty and splendor back to liturgical and sacred music and it is for this group that frank is the composer and resident and has been commissioned to write mass that we will talk about now. so frank, tell us about the mass of the americas that will premiere here in the cathedral on december 8th. >> this is a really interesting project. it takes me into very new territory as a composer. the inspiration for it is actually the feast day of our lady of guadalupe in the celebrations renting that, and this year it coincides with the immaculate conception. we will have sort of both things happening at the same time at the december 8th mass. what is interesting about it is the archbishop vision , and i've known him for a number of years and he has often talked about this, using music as a cultural bridge. so that is what he asked me to try to do with this mass. trying to find a