The D-WI1 2 lower pastedown fragment has a south-Germanic provenance as well as liturgical and musical features shared with other twelfth-century Benedictine houses. Liturgical contents include Office chants for part of Passion Sunday, the weekday liturgy of Passion week, and part of Palm Sunday; the fragment was originally from an Antiphonal. Not only do manuscripts from other southern-Germanic monasteries contain similar chants for these days in Passiontide, including shared Feria 2 antiphons, but the unusual invitatory "Nolite obdurare" on folio 1r seems to appear only in manuscripts from certain monastic houses in southern-Germanic regions (including Weingarten, Zwiefalten, and Sponheim), implying a particular liturgical connection between these communities. Additionally, both verso and recto sides indicate differentiae with both tonary letters and musical formulae, a feature specific to south-German sources such as the Gottschalk antiphoner from Lambach, Austria. Shared characteristics with folios in the Riesencodex include a twelfth-century or slightly earlier/later style of musical notation; nevertheless, features of the D-WI1 2 upper pastedown bifolium (see inventory and manuscript description for D-WI1 2 fragment, upper pastedown) do not support a provenance of Rupertsberg, where Hildegard of Bingen (1098-1179) established a female Benedictine monastic house. It is instead likely, based on a Latin colophon in the upper pastedown, that this lower pastedown came from an antiphonal used at either Johannisberg or Georgenclause. The inclusion of both of these fragments in the rebinding of the Riesencodex contributes to a deeper understanding of its unique history as well as the liturgical climate of which Hildegard was a part.
Bain, Jennifer. "Digital Analysis of Chant Transmission: A Case Study of 2 Fragments from the Riesencodex." Fragmentarium Video Conference, May 28th, 2021. Youtube video, 49:13. https://youtu.be/n8imxUS_gxE.
Bain, Jennifer. "Traces of Liturgy: Analysing Manuscript Fragments from the Binding of the Riesencodex." Unpublished manuscript, 2020.
Pfau, Marianne Richert, and Stefan J. Morent. Hildegard von Bingen: Der Klang des Himmels. Europäische Komponistinnen I. Cologne: Böhlau Verlag, 2005, p.142.