As someone already said izotope Rx 9 can do it but that’s expensive. If you have the song downloaded you can upload it to https://melody.ml/ and split it into stems or get the acapella and instrumental. There’s a lot of sites like this built on deezer’s spleeter it’s also the same technology Kanye wests stem player is built with.
Use the free TunnelBear VPN and set it to New Zealand. Go to in incognito mode and make a free account. You can do this by entering a bullshit email address, you don't need to verify it for it to work.
The book will most likely just be photos. But there's a 3h long audiobook however that goes along with it, which will include stories from tour etc..., narrated by Billie.
i’ve seen people wear this one for costumes and it looks great. if you search yellow rain suit on amazon there are tons of options !!
BBC iPlayer link (probably only works in the UK) - https://www.bbc.co.uk/iplayer/episode/p07k98fs/reading-and-leeds-festival-2019-billie-eilish-live-at-reading-leeds-2019
Amazon has one of the fan bundles now! And a "pale yellow" vinyl. Idk if that's the same as "gold"?