the correct command on a winxp-sp3 machine is:
Code:
rtmpdump -r "rtmpe://l3fms-music02.myspacecdn.com:1935/myspace-music02" -a "myspace-music02" -f "WIN 10,1,82,76" -W "http://lads.myspacecdn.com/videos/MSMusicPlayer.swf" -p "http://www.myspace.com/diagonalleyband" -C O:1 -C O:0 -y "mp3:25/std_ddcb5c6f3989c63d68d9b780b18ae261" -o std_ddcb5c6f3989c63d68d9b780b18ae261.flv
see screenshot:
i've uploaded the original file too for you to test and compare thanks.
ButterBeers and OWLS (8mins04secs).zip
you can extract the mp3 file with any good tool. i recommend FLVExtract.
(btw, there are more user-friendly ways to download myspace songs or videos. try
GetFLV, for example!)