For CLI version go here.
Finally, a nice GUI version of Linux Bash script to download MySpace music. It is tested on Ubuntu. Myspace music downloader depends on “rtmpdump”, an utility that is available in Ubuntu repositories, in a deb package or as source. It also requires zenity for GUI, which is alredy bundled with new Ubuntu versions. If there is “ffmpeg” program present on the system, music will be automatically converted to mp3, otherwise it will be saved as .flv.
Note that your computer may have to be restarted after you install rtmpdump!