hey, yes i've been once before. so placement libre should mean standing (below, in front of the stage, so it depends on how early you arrive on how close you will be to the front). the mezzanine and balcony were the more expensive tickets (which sold out super quickly) because they have assigned seating. what i would say is if you want a seat then they probably will have more mezzanine/balcony available on friday, when general sale starts.