Motor Karaoke was a project originally made in 2005 by Shoboshobo.
For some reason it had to be shown again in 2019 in Singapore and I worked on the new 4-players version.
It is simply a racing game where you have to "sing" the car's engine noise as loud as possible to make your car go fast.

I also helped on another alternative racing game around 2013 : Florent Chaffiol's goldsprint simulator, this one was using exercice bikes.