With SCD 2 you can download any song from soundcloud directly to your mac. Scroll down to see all the features!
Soundcloud Downloader will allow you to download any audio file from soundcloud.com. Enter the song URL and the download will start. You can even download whole pages of songs. You can download 5 songs simultaneously.
All songs will be downloaded to your desktop or to the folder of your choice. You can as well automatically add it to iTunes.