International Voices Houston Polish singers invite Polonia and Friends to Christmas concert.  A special collection of seasonal music from around the world includes songs from France, Mexico, Japan, Iraq, Spain, Norway, Nigeria, Israel, Trinidad, and more.  In his inaugural concert with International Voices Houston, Artistic Director Mark Vogel leads the 120-voice choir, accompanied by pianist Paul Butt, complemented with percussion, violin, guitar, cello, and flute.