Splaylist is not like most of those websites. It is completey free and does not require any sign up or registration. All you need to do is head over to its main page type in the name of your favourite song or singer and there you go.
" click on a song name to begin streaming it within your browser or use the “Save target as” option from your browser to save the song on your computer. Songs you download are in the MP3 format and usually with a bit rate of 192kbps or higher."