Get youtube-dl

• Source: see http://rg3.github.com/youtube-dl/
• Debian: see Debians pkg search
• ArchLinux: pacman -S youtube-dl #community

Run:

youtube-dl --extract-audio --audio-format mp3  -o 'RRR_%(stitle)s.%(ext)s' 'youtubeurl1' 'youtubeurl2'

This will extract the audio from the downloaded video convert it to mp3 (ffmpeg with mp3 encode support needed) and name the outputfile RRR_title.mp3.