Batch script to convert, youtube-dl webm file to mp3 with ffmpeg - Stack Overflow
GitHub - udidoron/youtube-dl-multi-mp3-downloader: Small wrapping script in Python (2.7), which allows downloading multiple YouTube files' audio into mp3 files. Uses youtube-dl, ffmpeg and ffprobe.
GitHub - Tom-van-Grinsven/youtube-dl-mp3
GitHub - blha303/YTmp3: Just a simple C# youtube mp3 downloader. Needs ffmpeg.exe, ffprobe.exe and youtube-dl.exe
Downloading YouTube videos as MP3 files with youtube-dl, ffmpeg, and batch scripts -
YouTube-DL GUI 0.4 Ships With New User Interface, More [PPA] ~ Web Upd8: Ubuntu / Linux blog