Document unknown_29 defined as battle turns contributed by 745Phoenix
Document unknown music chunks defined as previuosly player vehicle and battle music by LockeZ
unknown_17 is the same animation frame for vehicles and party than map event as reported by Claws61821 and MarianoGNU
Normalize documentation between party/vehicle/event chunks
Set unknown_23 as AnimType by Claws61821 and document possible unknown_2f value