I've created a picture slide show video, with some actual video. The slideshow is set to some music that cannot be published because of copyrights. I plan to record my own performance of the piece on my piano. But It will likely be slower than the original piece. So, can I mass change the duration for all my image clips in the timeline? I know I can do each one, but because of all the transitions,I would prefer to mass change the duration on these clips and not lose the transitions.

Thanks.