 Complete the following phrase:  In 1997, the release of Homogenic was accompanied by a short promotional stint in clubs with Mark Bell before starting a worldwide tour. The tour was extended to 1998 after plans for a North American leg with Radiohead were canceled due to staging and production difficulties. During the promotion of the album, she also performed Bachelorette at the 1997 MTV Europe Music Awards and during an appearance at Saturday Night Live. After receiving a Best Original Song nomination for Ive Seen It All, Björk performed the song at the 73rd Academy Awards, while dressed in her swan dress. To promote her fourth album Vespertine 2001, Björk embarked on a worldwide tour of opera houses and theaters, backed by a 54-piece orchestra. The following year, Björk became the first female artist to headline the Coachella Valley Music and Arts Festival. In 2003, the singer performed at several European festivals and North American arenas with her Greatest Hits Tour. While there was no tour performances for the singers fifth studio album, Medúlla 2004, Björk performed Oceania at the 