Since I'm norwegian, I'll suggest you get something from
Edvard Grieg who was a norwegian composer born 1843 and died 1907.
I'll suggest the suites he wrote for Henrik Ibsen's famous play "Peer Gynt", first performed in 1876. They're definetly norwegian treasures.
edit :
Some added trivia, the band Kamelot uses part of from Grieg's "Solveig's sang" in their own song Forever. The melody in fact.