Skansen is widely recognised as one of Stockholm and Sweden's national treasures - which has in recent years been a platform for some of the most acclaimed musical performances. It also hosts the hugely successful Allsång (Everyone Sing), which has been a critical as well as commercial success.

This year's festival, scheduled to take place in the heat of summer will bring together two musical juggernauts and promises to be a memorable one. The dates to remember are the 17th to...