For choral enthusiasts, the heart of the disc is the Mass Propers for Easter Day, with its marvelous Victimae paschali laudes sequence (followed by the almost humorous "earth-shaking" offertory, Terra tremuli), and two single works, the five-part motet Plorans plorabit and the sublime four-part processional antiphon Christus resurgens. Although these last two pieces appear on an excellent recording by the Cambridge Singers (Collegium), most of the music on this program is not readily available anywhere else. The singing is first rate, as it has been for most of the series so far (the three Masses on Vol. 5 were uneven), with an apparently concerted effort toward expression of the texts as well as attending to the sheer beauty of the vocal lines. The acoustics of Arundel Castle's Fitzalan Chapel give sufficient resonance while preserving the intricate detail of even the more complex pieces. Byrd enthusiasts will grab this without delay, but, because of the substantially service-oriented nature of the program, if you're new to this composer, I'd begin with Volume 4 of this series (Cantiones Sacrae 1575), or with the Cambridge Singers' and Tallis Scholars' own compilations.