If we speak about fans then followers are your fans on Soundcloud. They dont want to lose your updates and they want to be the first to see your new uploads. Having a lot of followers gives value to your profile and people will get curius to check your songs. Lets see some benefits of followers.
Benefits Of Soundcloud Followers
=> A big followers number means that your work is well knowned and people love to have updates of your songs.
=> Followers attract followers and this brings more traffic to your profile. So more plays-favorites etc.etc.
=> Having a lot of followers build trust in your new visitors eyes and make them want to check your songs.