well as several more popular pieces such as the Nightwatchman Serenade and Harmonia Artificiosa . The Missa Salisburgensis is an astonishing polyphonic setting of the mass for 53 independent voices which is currently attributed to Biber (it was previously thought to be the work of Orazio Benevoli ). Source : http://en.wikipedia.org/wiki/Heinrich_Ignaz_Biber