Evolving rules

RDA

Resources, not publications, manuscripts mentioned several times: 2.7 Production statement
3.4 Extent of manuscript music
3.9.2 Production method for manuscript
6.2.2.7 Title for manuscripts and manuscript groups

ISBD Consolidated edition (2011): One descriptive standard for all resources
Extension discussed several times; in 2010 Study group for unpublished resources
Basis of work, Marta Crippa's dissertation on a ISBD for music manuscripts
Based itself on a November 2010 draft of the Consolidated
Some statements added for music manuscripts
Most areas can fit for music manuscripts!
After an year process, a general draft for manuscripts was proposed for discussion
August 2011: Extension approved!
But with limitations to the extent of added roles and to some kinds of manuscripts
And with attention to ISAD(G)