Complex sentence: Her works have been performed by both chamber groups and symphony orchestras, including the Danish National Symphony Orchestra, while she has played the double bass with the Iceland Symphony Orchestra and has sung in the Hamrahlíð Choir.
Split into simpler sentences: Her works have been performed by both chamber groups and symphony orchestras, including the Danish National Symphony Orchestra. She has played the double bass with the Iceland Symphony Orchestra and has sung in the Hamrahlíð Choir.