Classical/modern music concert

This was a dress rehearsal for a performance of Steve Reich's Music for 18 Musicians at Stony Brook University.
I was directing the ensemble and doing sound for the concert, so little time left for pictures.
Had a hard time with white balance (specially second one) due to the red tint of the background and the stand lights.
Should I straighten the wide angle shots?

Constructive criticism very appreciated!

IMAGE LINK: http://www.flickr.com …/32171093@N00/8​138561815/
reich12 by eduleo, on Flickr

IMAGE LINK: http://www.flickr.com …/32171093@N00/8​138864638/
reich16 by eduleo, on Flickr

IMAGE LINK: http://www.flickr.com …/32171093@N00/8​138585681/
reich7 by eduleo, on Flickr

60D . 100-400L . 70-300mm DO . 100mm f/2.8 macro . 85mm f/1.8 . 50mm f/1.4 . 18-55 kit . 10-22mm . Bower 8mm fisheye . YN565EX . YN568EX . extension tubes . etc... and no idea of what I am doing.

60D . 100-400L . 70-300mm DO . 100mm f/2.8 macro . 85mm f/1.8 . 50mm f/1.4 . 18-55 kit . 10-22mm . Bower 8mm fisheye . YN565EX . YN568EX . extension tubes . etc... and no idea of what I am doing.

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