appar p.909 Psalmis ...
http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/6158 <http://www.w3.org/nl/lemon/frac#Attestation>
appar p.909 Psalmis ...
appar p.909 Psalmis interseruntur antiphona, versiculi seu epodia, capitula, hymni, quae diebus negotiosis seu operariis, minusve solemnibus concinuntur a Choralistis, ut vocant, cantu Gregoriano, videlicet absque Symphonia.