In 1999, music industry revenue in the United States peaked at $14.6 billion (all numbers are from the RIAA). It is important to be precise, though, about what was being sold: $12.8 billion was from the sale of CDs $1.1 billion was from the sale of cassettes $378 million was from the sale of music videos on physical media $222.4 million was from the sale of CD singles In short, the music industry