source: This was substantially complete when Messiaen died, and Yvonne Loriod undertook the final movement's of orchestration with advice from George Benjamin
target: Yvonne Loriod completed the final decided movement, with advice from George Benjamin, when Messiaen died.
references: Yvonne Loriod completed the final decided movement, with advice from George Benjamin, when Messiaen died. This was greatly complete when messian died, and Yvonne Loriod undertook the final movement's orchestration with advice from George Benjamin. This was almost done wiht Messiaen died, and Yvonne Loriod finished it with help from George Benjamin. As this was almost finished when Messiaen died, Yvonne Loriod took on the final movement's orchestration with advice from George Benjamin. This was complete when Messiaen died and Yvonne Loriod took the final movement's orchestration with advice from George Benjamin. This was fully complete when Messiaen died, and Yvonne Loriod attempted the final movement's orchestration with advice from George Benjamin. This was almost finished when Messiaen died, and Yvonne Loriod started work on the final movement's orchestration with advice from George Benjamin.