The price consumers have been willing to pay for listening to recorded music has never been lower, while the environmental impact of listening to music has never been higher, researchers have found.

Results of a research collaboration called The Cost of Music between the University of Glasgow and the University of Oslo demonstrate how the economic costs of recorded music consumption have steadily fallen in recent decades while its carbon emissions costs have soared.

Dr Matt Brennan, a Reader in Popular Music from the University of Glasgow, led the research on the changing economic cost of recorded music, said: “The point of this research is not to tell consumers that they should not listen to music, but to gain an appreciation of the changing costs involved in our music consumption behaviour.

“We hope the findings might encourage change toward more sustainable consumption choices and services that remunerate music creators while mitigating environmental impact.”

Dr Kyle Devine, an Associate Professor in Music from the University of Oslo, led the research on the environmental cost of recording formats, said: “From a plastic pollution perspective, the good news is that overall plastic production in the recording industry has diminished since the heyday of vinyl.

“From a carbon emissions perspective, however, the transition towards streaming recorded music from internet-connected devices has resulted in significantly higher carbon emissions than at any previous point in the history of music.”

The advent of streaming over the last decade, now means  consumers now have unlimited access to almost all of the recorded music ever released via platforms like Spotify, Apple Music, YouTube, Pandora, and Amazon.

From the plastics perspective, in 1977 the recording industry used 58 million kilograms of plastic. In 1988 (the peak of cassette sales) the industry used 56 million kilograms of plastic. And in 2000 (the peak of CD sales) the industry used 61 million kilograms of plastic.

Then, when downloading and streaming take over, the amount of plastics used by the recording industry drops dramatically, down to around 8 million kilograms by 2016.

Dr Devine said: “These figures seem to confirm the widespread notion that music digitalised is music dematerialised. The figures may even suggest that the rises of downloading and streaming are making music more environmentally friendly. But a very different picture emerges when we think about the energy used to power online music listening. Storing and processing music online uses a tremendous amount of resources and energy – which a high impact on the environment.”

It is possible to demonstrate this by translating the production of plastics and the generation of electricity (for storing and transmitting digital audio files) into greenhouse gas equivalents (GHGs).

The research shows GHGs of 140 million kilograms in 1977, 136 million kilograms in 1988, and 157 million in 2000. But by 2016 the generation of GHGs by storing and transmitting digital files for those listening to music online is estimated to be between 200 million kilograms and over 350 million kilograms in the US alone.

The research collaboration informs a multimedia art project in which researcher Dr Brennan, under the artist pseudonym Citizen Bravo, has released an album entitled “Build A Thing Of Beauty,” the sole physical copy of which exists as an interactive musical sculpture called the SCI★FI★HI★FI. The sculpture is intended to engage audiences to consider the changing costs of music over history from the Edison wax cylinder up to streaming from the cloud.

Dr Brennan said: “We see raising awareness of the findings as a first step towards developing alternatives, where music consumption can become both economically sustainable for makers while being environmentally sustainable for the planet.”


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