ffmpeg -i xPASTExURLx -ss "00:00:SS.00" -to "00:00:SS.00" "filenameOutput.mp3"

youtube-dl -o "xTITLEx.%(ext)s" --external-downloader ffmpeg --external-downloader-args "-ss 00:00:SS.00 -to 00:00:SS.00" -f best xLINKx