However, this is one of the books which contains the now outmoded rhythmic markings of Dom Mocquereau. Mass. Like the Liber Usualis for the traditional rites, it retains the outmoded rhythmic markings of Dom Mocquereau. For those wishing to understand the early notation and to interpret its rhythm in their singing, this book is indispensable. A Solesmes reprint of Ott's book of Offertories.
Offertories generally consist of a respond with several ornate, soloistic verses.
As time went on, the verses fell out of use, but were more recently revived for optional use. The Graduale does not contain the verses, for which the Offertoriale is necessary. The Solesmes reprint adds two early notations to Ott's original book, in a way similar to that of the Graduale Triplex . As might be expected, only the last two are generally adopted in most celebrations. Those singing in Latin will generally adopt the first option.