3.5 out of 5

This is beautiful.

Play these [videos] together, some or all, start them at any time, in any order.

In Bb 2.0 is a collaborative music and spoken word project conceived by Darren Solomon from Science for Girls, and developed with contributions from users.

The videos can be played simultaneously — the soundtracks will work together, and the mix can be adjusted with the individual volume sliders.

http://inbflat.net/