It depends on what your goals are for uploading your music. If you’re looking to reach a large audience and gain a lot of streams, Spotify and YouTube are likely your best options. Both platforms have large user bases and are well-suited for promoting and distributing music. Soundcloud, on the other hand, is more focused on the underground and independent music scene, and may be a better fit if that’s your target audience. Ultimately, you should consider the audience you’re trying to reach, as well as the features and tools each platform offers, when making your decision.