In 2004 it made its first recording, Through the Green Fuse, a collection of mixed fare on the Clarion
label. The following year the Conspirare management created its educational offshoot, Conspirare Youth Choirs. In this program youthful singers are divided into two ensembles, the Kantorei and the Children's Choir. 2005 was also the year of Conspirare's second recording, Requiem, which included music by Howells
. Issued on the Harmonia Mundi
label, it achieved broad critical acclaim and drew two Grammy nominations.
Conspirare got another pair of Grammy nominations in 2009 for its Harmonia Mundi
CD Tarik O'Reagan: Threshold of Night.