9 Some personal examples of interactive sound and video EFL web pages

a EFL materials such as CD audio files

• private
• password protected
• permission granted

b Movies trailers

• not for profit
• educational
• transformative
• target audience is different
• less than three minutes play time

c Songs

• not for profit
• educational
• transformative
• target audience is different
• oldies only
  
  In Japan, songs that were written before 1971 have no copyright protection.
  Source: (Japan) Copyright Research Information Center