Memorial day for the events of 13th November, countless Tricolours graced balconies and other improvised available spaces, armed police stood in groups on corners outside cafe's; aside from that Paris got on with its main business - enjoying life. La Mechanique Ondulatoire is a regular live music venue (24 days out of the 30 available in November) tucked away in a side street and occupying three floors with the live music space in the cellar, a very cavern-esque setting with exposed stone…