Here is Goodnight, a music video by Omashay:



It was entirely edited in Kdenlive and the slow-motion was produced by slowmoVideo, an open-source Twixtor clone.

More information can be found on Omashay's website: http://omashay.com/2013/02/22/goodnight-the-video/

I've just posted the production notes of this video on my blog: http://kevin.deldycke.com/2013/03/goodnight-video/