AB has developed a new function on its website. As of today, for a number of sold-out concerts, you can register online for the waiting-list.

For almost every sold-out concert there are a number of tickets that haven't been paid for or that are reserved for the performer, record company, sponsor or for other purposes. So, if a particular concert bears the ‘sold-out’ sign, you don't have to despair straight away. It occurs regularly that tickets become re-available, because not everyone pays for their tickets on time or because people/organisations don't take up their 'blocked' tickets. From now on, these tickets will be offered to those who have registered themselves on the waiting-list. For the waiting-list you have to log in and leave your telephone number and the desired number of tickets on the concert page. The ticket-shop will call or mail the people registered, in chronological order, the moment that tickets become available. Please note that leaving your name on the waiting-list doesn't  guarantee you will get tickets.
 
Not every concert has a waiting-list. If you don't see the waiting-list function for a particular concert, then that means that the queue (waiting-list) function has already been closed or that there are insufficient tickets available for release. In that case you can still always try to obtain tickets via the ticket-exchange function on the concert page in question. Good luck!