CHICAGO, IL – Special Event Services (“SES�) and On Stage Audio (“OSA�) today announced they will partner on the May 17, 2011 live production of the Oprah Winfrey Show finale, “Surprise Oprah! A Farewell Spectacular,� at Chicago’s United Center.

As part of the growing MLA network, SES and OSA will deploy the largest MLA system ever flown to ensure uniform coverage throughout the arena for this high-profile production.

“Knowing the high level of audio quality we need to provide for an event of this magnitude, MLA was the obvious choice,� said Jim Brammer, SES President. “As the launch customer for MLA in North America, we’re pleased to have a high-caliber company like OSA join the growing MLA network, and we look forward to partnering with them on this event.�

On May 17, the United Center will serve as both the set for the taping of the more