Bandcamp - Discover amazing music and directly support the artists who make it.
Youtube Mp3 Today - Convert youtube videos to mp3 in 1 click every time
SoundCloud - Enjoy music & follow favourite artists
MediaHuman YouTube to MP3 Converter - Extracts MP3 audio from YouTube, Vimeo, Dailymotion, Mixcloud, Bandcamp, SoundCloud and many others. Available for macOS, Windows and Ubuntu/Linux. FREE!
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
yt2mp3.org - Free online YouTube to MP3 Converter