In Bflat 2.0
“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.”
[Text and screen grab from project website. Posted in honor of DW’s birthday. Special thanks to GC in CC for the tip!]