It's not the best quality, but here's a little sample of the soundtrack, specifically a sing-along version of "Just Can't Wait to be King" via some merchandise that's already in stores somewhere:
https://www.instagram.com/p/Byn0_uSg7uj ... D5OIxt43Ts
Nala's part is missing; I assume because that's the part for the kids to sing along to. I really hope the full version has her hitting the harmonies in the Broadway version.