SoundCloud is a popular online audio distribution platform, primarily used for sharing and discovering music and various other audio content. In the context of a porn video tag, it might refer to a scene where the performers are using this platform or related technology for enhancing their experience, possibly incorporating electronic dance music (EDM) or other types of audio that can be found on SoundCloud. The tag indicates the presence of SoundCloud-related content in the video, which may appeal to viewers who enjoy the fusion of adult entertainment and modern digital platforms.