 Complete the following phrase:  The ensemble began in 2005 when Nally and a group of friends sang an informal concert together. At the end of the 2010-11 season, Nally left Lyric Opera of Chicago and moved back to Philadelphia to focus on his Philadelphia ensemble, The Crossing, which specializes in contemporary works. It has received numerous awards, including the Chorus AmericaASCAP Award for Adventurous Programming 2009, 2011  2017, the American Composers Forum 2017 Champion of New Music Award, the 2018 Grammy Award for Best Choral Performance, and the 