Simplify the following text for a Grade 8 native English-speaking person.
Original: This organ ( apart from the large transept case and pedal pipes ) was removed in 2006 in order to make way for a new instrument by Kenneth Tickell , which was completed in the summer of 2008 .
Simplified: Most of this organ was removed in 2006 in order to make way for a new instrument by Kenneth Tickell , which was completed in the summer of 2008 .