is it part of any album or band?
It is the second single from Gotye's third studio album, "Making Mirrors"
Somebody That I Used to Know
The song was released in Australia and New Zealand by on 5 July 2011 as the second single from Gotye's third studio album, "Making Mirrors" (2011)
who sings somebody that i used to know originally Gotye who composed it? Gotye
wiki:951933
Somebody That I Used to Know [SEP] Introduction
"Somebody That I Used to Know" is a song written by Belgian-Australian singer-songwriter Gotye, featuring New Zealand singer Kimbra. The song was released in Australia and New Zealand by on 5 July 2011 as the second single from Gotye's third studio album, "Making Mirrors" (2011). It was later released by Universal Music in December 2011 in the United Kingdom, and in January 2012 in the United States and Ireland. "Somebody That I Used to Know" was written and recorded by Gotye at his parents' house on the Mornington Peninsula in Victoria, Australia, and is lyrically related to the experiences he has had with relationships.