SoundCloud is a Swedish-founded online audio distribution platform and music sharing website based in Berlin, Germany that enables its users to upload, promote, and share audio, as well as a digital signal processor enabling listeners to stream audio. Started in 2007 by Alexander Ljung and Eric Wahlforss, SoundCloud has grown to be one of the largest music streaming services. SoundCloud is one of the most promising startups in the music world with an API that has already built over 120 apps.