Abbacadabra – The Ultimate Abba Concert Published: June 10, 2011 By: admin, In: Events, Comments Off on Abbacadabra – The Ultimate Abba Concert Abbacadabra – The Ultimate Abba Concert will be in Harrah’s South Shore Room July 1-3. Shows start at 7:30pm. Tickets are $25. To purchase tickets, call 800.786.8208.