This idea is intriguing. You go to a concert and at the end of the show, while you walk out of the hall, a freshly produced instant-recording of the concert is already up for sale at the merchandise stand at the exit doors.
Think of this CD as an official souvenir of the concert you just heard. The album will be avaiable only at the concert venue after the show. It is professionally produced and packaged and contains an unedited recording of the show you just heard.
Would you buy such a CD if it were available after the next concert you visit?
If you are a musician: would you like your concert to be recorded and sold this way?