Ekvílibríum is an album by Valgeir Sigurðsson

Valgeir Sigurðsson

Valgeir Sigurðsson is an Icelandic record producer, mixer, composer, engineer and musician.-Biography:Coming from a musical background Valgeir's fascination with recording technology lead to a job in a small recording studio at the age of 16. He studied classical guitar and graduated with a...

, released in 2007. Notable appearances on the album include Bonnie 'Prince' Billy and Dawn McCarthy, who contribute vocals, along with Nico Muhly

Nico Muhly

Nico Muhly is a contemporary classical music composer, who has worked and recorded with classical and pop/rock musicians. He currently lives in the Lower East Side section of Manhattan in New York City.-Early years:...

, who appears in half of the tracks playing different keyboard instruments. Drummer Samuli Kosminen from fellow Icelandic band múm

Múm

múm are an experimental Icelandic musical group whose music is characterized by soft vocals, electronic glitch beats and effects, and a variety of traditional and unconventional instruments.- History :...

 also makes a guest appearance.

Track listing

1. "A Symmetry" - 4:41
2. "Evolution of Waters" - 4:39
3. "Focal Point" - 6:09
4. "Baby Architect" - 4:51
5. "After Four" - 3:39
6. "Winter Sleep" - 4:49
7. "Equilibrium Is Restored" - 8:24
8. "Before Nine" - 1:42
9. "Kin" - 5:09
10. "Lungs, For Merrilee" - 5:10

Personnel

• Una Sveinbjarnadóttir - violin
  Violin
  The violin is a string instrument, usually with four strings tuned in perfect fifths. It is the smallest, highest-pitched member of the violin family of string instruments, which includes the viola and cello....
  
  
• Jónína Auður Hilmarsdóttir - viola
  Viola
  The viola is a bowed string instrument. It is the middle voice of the violin family, between the violin and the cello.- Form :The viola is similar in material and construction to the violin. A full-size viola's body is between and longer than the body of a full-size violin , with an average...
  
  
• Hrafnkell Orri Egilsson - cello
  Cello
  The cello is a bowed string instrument with four strings tuned in perfect fifths. It is a member of the violin family of musical instruments, which also includes the violin, viola, and double bass. Old forms of the instrument in the Baroque era are baryton and viol .A person who plays a cello is...
  
  
• Bonnie 'Prince' Billy/Will Oldham
  Will Oldham
  Will Oldham , better known by the stage name Bonnie 'Prince' Billy, is an American singer-songwriter and actor. From 1993 to 1997, he performed and recorded under variations of the Palace name, including the Palace Brothers, Palace Songs, and Palace Music...
  
   - vocals and writing on tracks 2 and 9
• Dawn McCarthy - vocals and writing on track 6
• Nico Muhly
  Nico Muhly
  Nico Muhly is a contemporary classical music composer, who has worked and recorded with classical and pop/rock musicians. He currently lives in the Lower East Side section of Manhattan in New York City.-Early years:...
  
   - piano
  Piano
  The piano is a musical instrument played by means of a keyboard. It is one of the most popular instruments in the world. Widely used in classical and jazz music for solo performances, ensemble use, chamber music and accompaniment, the piano is also very popular as an aid to composing and rehearsal...
  
   and celesta
  Celesta
  The celesta or celeste is a struck idiophone operated by a keyboard. Its appearance is similar to that of an upright piano or of a large wooden music box . The keys are connected to hammers which strike a graduated set of metal plates suspended over wooden resonators...
  
   on tracks 2, 3, 5, 6, 8 and 9
• Samuli Kosminen - drums on tracks 1, 2, 5 and 10
• Hildur Ingveldardóttir Guðnadóttir
  Hildur Guðnadóttir
  Hildur Ingveldardóttir Guðnadóttir is a classically trained Icelandic Cellist who has played and recorded with the bands Pan Sonic, Throbbing Gristle and Múm, as well as her solo project Lost in Hildurness...
  
   - cello
  Cello
  The cello is a bowed string instrument with four strings tuned in perfect fifths. It is a member of the violin family of musical instruments, which also includes the violin, viola, and double bass. Old forms of the instrument in the Baroque era are baryton and viol .A person who plays a cello is...
  
   on tracks 8 and 9
• Ólöf Arnalds
  Ólöf Arnalds
  Ólöf Arnalds is an Icelandic singer/songwriter and indie musician who has been active within the Icelandic music scene for quite some time. Apart from her own music and being a touring member of Múm since 2003, she has cooperated with bands and artists such as Stórsveit Nix Noltes, Mugison,...
  
   - backing vocals on track 2