Complex sentence: Recollections of hide that at the time of his death hide had six out of ten songs finished for "Ja, Zoo", seemingly supported by the fact that I.N.A is credited with additional arrangement on four songs.
Split into simpler sentences: Recollections of hide that at the time of his death hide had six out of ten songs finished for "Ja, Zoo". This is supported by the fact that I.N.A is credited with additional arrangement on four songs.