Any gift idea ?

Hey, so my brother really likes Olivia Rodrigo and went to her concert recently. I really want to buy him an Olivia Rodrigo themed gift, sadly we don't have a record player, and I can't afford one right now so sadly a record isn't an option. So I've been thinking about getting him stuff on Etsy or Amazon like a cool T-shirt or sweatshirt ? Or even socks anything really 😭 Probably something unisex and subtle, not the big Sour logo. I'm just a casual listener so I don't really know what to get him. Any suggestion would me immensely appreciated, and if it matters I'm from the EU. Thank you !