Both of those things are so incredibly different from Soundcloud, how could that comparison even be drawn?
gs allows you to digitally upload, download, or listen to audio tracks on the internet.
SoundCloud is a global online audio distribution platform based in Berlin, Germany, that enables its users to upload, record, promote, and share their originally-created sounds.
Wow, that's so different from grooveshark. How could i ever compare the two...