I have found on YouTube some video with music only.
So I have tried to download and extract music (in Flac audio format).
The program I have found is Free YouTube to MP3 Converter:
- author: DVDVideoSoft
- web site: http://www.dvdvideosoft.com/index.htm
- web page program: http://www.dvdvideosoft.com/products/dvd/Free-YouTube-To-MP3-Converter.htm
- installer size: 26.41 MB
- version: 220.127.116.118
- license: freeware
- requirement: .Net Framework 2.0 SP2
- available languages: english (US), english (UK), German, French, Spanish, Chinese, Japanese, Italian, Dutch, Polish, Brazilian, Portuguese and Russian.
- direct download: http://www.dvdvideosoft.com/download/FreeYouTubeToMP3Converter.exe
- online help: http://www.dvdvideosoft.com/guides/free-youtube-to-mp3-converter.htm
- description (from site):
Use Free YouTube to MP3 Converter to download mp3 from all possible YouTube videos. This YouTube mp3 converter extracts audio from single YouTube videos as well as whole collections (see detail to web site).
Output file formats: *.mp3, *.m4a, *.aac, *.wav, *.wma, *.ogg, *.flac, *.ape. The files are saved to the folder Music and they retain the name of the source video.
Free YouTube to MP3 Converter automatically fills the title tag and the artwork, which can be seen in iTunes, Winamp or Windows Explorer folder.
See more details to site.