01:30 CET / 16:30 PST
We’re receiving some reports of failed upload error messages that we’re currently looking into, and we’ll have them sorted out as quickly as we can. Sorry for the inconvenience, and thanks for your patience!
Update 02:32 CET: We’re still working on getting this problem solved, but in the meantime, you may be able to upload your sounds using our Old-Skool uploader here: http://soundcloud.com/upload#old-skool. Thanks again for your understanding!