Some useful pages: www.lyricstraining.com - choose a song you like + the level, and complete the lyrics while listening http://www.bbc.co.uk/learningenglish/ - this website has lots of good resources http://learnenglish.britishcouncil.org/en/skills - likewise jtw.com - "Just the Word" - extremely useful when learning collocations / producing your own writing. It shows you which words are usually used together, and how common the collocation is.

It depends on what music/movies you personally like, as well as differentiating which type of English you want to aim for. For example, for most Japanese it's easier to learn British English because some pronunciations are quite similar. そうですかね、まずどんな音楽や映画などが好きなのか。それと、どんな英語を学びたいのか、そういう質問はまず答えた方がいいですよ。例えば、イギリスとアメリカの英語はかなり違います。たとえ、発音と語彙の使い方とか。