if you havent listened to lapsamas karaoke before feel free to check her out as shes doing one right now
https://youtu.be/NYZYW2RoOD8 shes a really good singer which isnt surprising since shes the most powerful and oldest being in the entirety of hololive and created every single piece of matter in the observable and and in 7 unobservable universes and she also sings a lot of varied music so you might find that she ends up singing something that you like