Now that the global recorded music business has slowed to single-digit growth, streaming services will have to work harder to attract new consumers and keep those they already have. As the March 28 launch of Apple’s new classical-focused streaming app revealed, one key to finding more growth is one of the least appealing facets of digital music: metadata. Ultimately, metadata impacts the dollars and cents of streaming. When streaming services can increase engagement, that tends to reduce churn, or the fraction of users who leave each month.
Source: Is There Money in Metadata?