How to download .mp3 files whole site?

With wget command you can use:

wget -c -A '*.mp3' -r -l 1 -nd http://example.org/musics/

• -c: continue getting a partially-downloaded file.
• -A: only accept mp3 files. change this format with another format you want to download.
• -r: recurse
• -l 1: one level deep (ie, only files directly linked from this page)
• -nd: don't create a directory structure, just download all the files into current directory.