The drive, called Music Matters, aims to highlight the value of music and educates consumers on how to identify legitimate music services.
The campaign has designed a "trust mark" that will appear on licensed music download and streaming sites, including iTunes, MySpace, Tesco and Spotify.
Tinchy Stryder, songwriter Guy Chambers and Duffy were among the artists at the launch in London.
Kate Bush, The Jam, Nick Cave and Louis Armstrong had also made short films reminding people of the work behind making music.
Blur's manager Chris Morrison, told BBC 6 Music it is "not a God-given right" that people can take music for free.
"My job is to make sure my artist gets properly compensated. An artist makes pennies per record. If the music is popular, you sell huge quantities," he added. "But in order to make money, you have to sell huge quantities."
The campaign comes as the digital economy bill, which would give communications regulator Ofcom the power to disconnect or slow down internet connections of online music pirates, goes through parliament.