We can't set the work parts order in a parent work in the work-work "part of" relationship (related to STYLE-69).
example : 組曲「九尾」〜玉藻前〜照魔鏡〜殺生石 (all examples in MBS-3062 tag)
MBS-3375 Ability to specify sort order for sub-works that are part of an aggregate work.
STYLE-69 Implement work parts relation
STYLE-588 Allow to order recording-work performance relationships