it's tagged wget

MP3 Blogs and wget, by Jeffrey Veen

wget -r -l1 -H -t1 -nd -N -np -A.mp3 -erobots=off -i ~/mp3blogs.txt

http://www.veen.com/jeff/archives/000573.html

HexCat - DeepVacuum - Download Utility

Useful download utility based on wget command line tool. Program includes a vast number of options to fine tune your downloads through both http and ftp protocols.

http://www.hexcat.com/deepvacuum/index.html