[Grove Music Online]: Ascribed to La Rue in I-MOd III, elsewhere to Josquin, Agricola and Brumel; probably by Josquin
V-CVbav-ms-Capp.Sist.15: Et misericordia: [Superius] and [Contratenor]: 'Duo'; 'Tenor' and 'Bassus': 'Et misericordia tacet'
V-CVbav-ms-Capp.Sist.63: Composer name in ms = 'Brumel' / Title as in ms = 'Quarti Toni' / [Tenor] and [Bassus]: 'Et m[iseriacord]ia Tacet'; [Superius] and [Contratenor]: 'duo'