Sigur Rós – Ba Ba Ti Ki Di Do (2004, CD) - Discogs
Sigur Rós - Wikipedia
LAMC Productions - Sigur Rós collaborated with Radiohead in October 2003 to compose music for Merce Cunningham's dance piece Split Sides. Sigur Rós's three tracks were named Ba Ba Ti Ki Di
split-sides-merce-cunningham-dance-company
Sigur Rós - Takk... - Amazon.com Music
Today marks 15 years of the collaboration between Radiohead and Sigur Rós for the 50th anniversary of the "Merce Cunningham Dance Company" of Merce Cunningham. : r/radiohead
Merce Cunningham Troupe's Last U.S. Repertory Night - Review - The New York Times