Missa "Mille Regretz".
Cristóbal de Morales also wrote a "Officium Defunctorum" and a "Missa pro Defunctis", recorded by Jordi Savall and la Capella Reial de Catalunya, and other many motets an polyphonic music. He was also a renomned singer (countertenor). (Thanks Jose MX Pajares <jose.pajaressggdph.mma.es>.)
Is one of the most important Spanish composers of the 16th century.