Spotify, Is a software that can listen to music with more success today. Allows you to create charts, share them and hear them in streaming, Whenever a network connection, unless you have a premium account, which offers more possibilities. Otherwise, the service is maintained through advertising that pops up three songs or so.
The main problem with streaming music, you can not hear it from other enabled device or at another time. This is solved with programs like Replay Music Spotify Ripper or Audacity.
Use Replay Music is very simple Because all you have to do is open Spotify and the previous program. Before clicking on any song, Replay Music, you click "Start Recording" and once that is done, in Spotify, select desired song. When you want to stop recording, just press "Stop Recording".
Thus you get get the file with audio quality quite acceptable. It also allows transfer songs to iTunes.
