Music Tourist founder Olaf Furniss, heads to Stockholm to meet Caroline Fagerlined, head of exhibitions at ABBA The Museum. The multimedia extravaganza was founded in 2013 and on an average month welcomes guests from 100 countries, with 2.3m visiting in just under  10 years.  Fagerlind, who started out as a researcher for the attraction, describes the museum's origins and how the band play an active role in its continuing development, in spite of Benny Andersson's initial reservations.