Ba Ba Ti Ki Di Do is an EP by Sigur Rós

Sigur Rós

Sigur Rós is an Icelandic post-rock band with classicaland minimalist elements. The band is known for its ethereal sound, and frontman Jónsi Birgisson's falsetto vocals and use of bowed guitar. In January 2010, the band announced that they will be on hiatus. Since then, it has since been announced...

, released in 2004 by Geffen Records

Geffen Records

Geffen Records is an American record label, owned by Universal Music Group, and operated as one third of UMG's Interscope-Geffen-A&M label group.-Beginnings:...

. The EP consists of the songs the group composed for Merce Cunningham

Merce Cunningham

Mercier "Merce" Philip Cunningham was an American dancer and choreographer who was at the forefront of the American avant-garde for more than 50 years. Throughout much of his life, Cunningham was considered one of the greatest creative forces in American dance...

's dance piece Split Sides, which also involved Radiohead

Radiohead

Radiohead are an English rock band from Abingdon, Oxfordshire, formed in 1985. The band consists of Thom Yorke , Jonny Greenwood , Ed O'Brien , Colin Greenwood and Phil Selway .Radiohead released their debut single "Creep" in 1992...

.

The title refers to the only spoken words throughout the whole piece. Merce Cunningham was recorded saying "ba ba, ti ki, ba ba, di do" and this can be heard in the last track, "Di Do".

Radiohead wrote music to the second half of Split Sides but are not planning on releasing their contribution.

If all three tracks are played at the same time, they form in sync and create another song.