Answer
The musical "Kristina från Duvemåla" is a collaboration between Swedish musicians Björn Ulvaeus and Benny Andersson, known for their work in the pop group ABBA. It's a musical adaptation of the 1971 novel "The Emigrants" by Vilhelm Moberg, depicting the journey and struggles of Swedish emigrants in the mid-19th century traveling from Scandinavia to America in pursuit of a better life.