Mac Singers won the International Championship of High School ACappella at Lincoln Center on Apr 15, 011.  The group calls itself MacArthur PFC and includes 21 singers.  Follow the LINK http://www.mysanantonio.com/news/local_news/article/MacArthur-singers-take-first-in-NYC-competition-1340298.php for a teaser from the Express-News.  Follow This LINK https://www.youtube.com/W3GYL7fOgIQ for a YouTube item (11 min).  The group also won "Best Choreography" taking home a trophy and "some serious prestige" as it said in the paper.  Congrats to these youngsters and families - and let a Brahma know.