By the way, the recent "Prince Igor" from the MET (Abdrazakov, Noseda) uses also this Mlada-fragment as orchestral finale, which, by the way, is not at all convincing (as is the rest of the production):
https://www.deutschegrammophon.com/de/katalog/produkte/borodin-prince-igor-abdrazakov-petrenko-noseda-529
https://www.deutschegrammophon.com/de/katalog/produkte/borodin-prince-igor-abdrazakov-petrenko-noseda-529