a 20-day delay, Björk postponed the live-streamed series to 2021. In January and February 2021, Björk also planned to play at Harpa. The plans were scrapped due to COVID-19. After the shows were rescheduled due to COVID-19 regulations, new dates were announced in September, and starting October 11, 2021, Björk performed four shows at Harpa Reykjavik Concert Hall, collaborating with the ISI on a dozen songs from her various albums. The shows were live-streamed. By January 2021, the Iceland Symphony Orchestra released the recording Occurrence on the record label Sono Luminus. It was performed by the ISO and featured Pekka Kuusisto "leading the violin concerto that Daniel Bjarnason wrote for him," with Bjarnason conducting. The album contains compositions by Anna Þorvaldsdóttir, Haukur Tómasson, María Huld Markan Sigfúsdóttir and Páll Ragnar Pálsson, and features the soloists Sæunn Þorsteinsdóttir and Víkingur Heiðar Ólafsson. After being last nominated in 2009, the ISO was again nominated for a Grammy in 2021: for Best Orchestral Performance for Concurrence at the 2021 Grammy Awards, losing to the Los Angeles Philharmonic. In 2021, the ISO performed the score for the film Katla. The ISO performed for some 5,000 people receiving the COVID-19 vaccine in Reykjavik's mass vaccination center in April 2021, after contacting vaccination official and asking to play a concert. At the 2021 Icelandic Music Awards that month, the ISO won Best Group Performer in the Classical and Contemporary Music category. In October 2021, Víkingur Ólafsson was appointed artist-in-residence for the Iceland Symphony Orchestra's next season, with his residency beginning November 18, 2021. Daníel Bjarnason, as an ISO artist-in-collaboration, was named as director of one of the concerts, among others. When Ólafsson had toured in late 2019 after he was named Gramophone Artist of 2019, Daníel Bjarnason conducted his performance with the ISO. Iceland Symphony Youth Orchestra In 2009, the ISO's Youth orchestra was established. Each year around 100 music school students form the Iceland Symphony Youth Orchestra. The Orchestra has performed Symphony no. 5 and Symphony no. 10 by Dimitri Shostakovich, The Planets by Gustav Holst, Symphony no. 5 by Gustav Mahler, and The Rite of Spring by Igor Stravinsky. In 2016, The ISO's Youth Orchestra was awarded the Brightest Hope prize at the Icelandic Music Awards, after being nominated in 2011. Principal conductors Olav Kielland (1952–1955) Kielland introduced a degree of discipline and professionalism unmatched in earlier stages of the Icelandic music world. He