From OSGeo Wiki
I think we should have some fairly generic background music for 20-30 minutes before these sessions - or any time there is dead sound space in the programme when folks are mulling around. It's not like we'll have a five minute lead in to someone coming on stage, I'm not sure that trying to play a specific song is going to really work.
I think we should also aim for playing podcasts, cable radio or other license-free music, just to be safe. I recommend some...