Spotify:Music for Everyone

[1]    http://www.scielo.br/pdf/soc/v20n49/1807-0337-soc-20-49-258.pdf

[2]    https://tecnoblog.net/263609/spotify-dez-anos-historia-streaming-musica/

[3]    https://www.spotify.com/pt/

[4]    https://artists.spotify.com/videos/the-game-plan/how-royalties-work

[5]    https://analistamodelosdenegocios.com.br/modelo-de-negocio-spotify/

[6]    https://www.statista.com/statistics/244995/number-of-paying-spotify-subscribers/

[7]    https://www.statista.com/statistics/367739/spotify-global-mau/

[8]    https://pt.wikipedia.org/wiki/Spotify#2012%E2%80%93presente

[9]    https://www.digitalmusicnews.com/2018/12/25/streaming-music-services-pay-2019/

[10]  https://support.spotify.com/us/using_spotify/system_settings/high-quality-streaming/

[11]  https://xiph.org/vorbis/faq/

[12]  https://pt.wikipedia.org/wiki/Vorbis

[13]  https://br.ccm.net/contents/48-ogg-vorbis

[14]  https://pt.wikipedia.org/wiki/Transmission_Control_Protocol

[15]  https://www.fciencias.com/2019/07/24/spotify-vs-apple-music-vs-tidal-2019/

[16]  https://www.statista.com/statistics/604959/number-of-apple-music-subscribers/

[17]  https://www.sabado.pt/dinheiro/negocios/detalhe/spotify-atinge-113-milhoes-de-subscricoes-pagas

[18]  https://epocanegocios.globo.com/Empresa/noticia/2019/02/spotify-faz-aquisicoes-para-aumentar-participacao-em-mercado-de-podcasts.html

[19]  https://en.wikipedia.org/wiki/Digital_rights_management

[20]  https://www.theguardian.com/technology/2013/sep/04/ministry-of-sound-sues-spotify

[21]  https://www.lexology.com/library/detail.aspx?g=8782ae60-c8c3-44f7-b80f-2ade3065026f

[22]  https://variety.com/2018/biz/news/ministry-of-sound-exclusive-playlist-apple-music-spotify-1202965811/

[23]  https://pplware.sapo.pt/multimedia-2/musica/spotify-finalmente-disponibilizado-para-portugal/

[24]  https://open.spotify.com/playlist/37i9dQZF1DX0rV7skaITBo