i like the out of comfort zone idea best now....
because it leaves the creativity open, but we can learn something new, force ourselves not to do what we would normally do
we could perhaps give tips about what would be fitting to be something we don't normally do...i gues i would not be allowed to use loads of tracks, fx's etc, and i could perhaps try to make something like a country song?? i probably don't have the skills to make a country song, but i can try