**1:** The percent of income musicians are encouraged to donate toward climate issues, as formulated by Brian Eno’s EarthPercent.
**2640:** The year when an ongoing concert of John Cage’s music will end. It began in September 2001.
**9,000:** The amount of money, in $U.S., one person made in 2019 reporting idling trucks for emissions and noise pollution. The individual, George Pakenham, “lobbied the city of New York to create the Citizen Air Complaint Program.”
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¹Footnotes: EarthPercent: [earthpercent.com](https://earthpercent.com/). Cage: [latimes.com](https://www.latimes.com/opinion/story/2022-02-04/john-cage-organ-slow-as-possible-halberstadt-germany). Idling: [motorbiscuit.com](https://www.motorbiscuit.com/you-can-make-thousands-of-dollars-reporting-idling-trucks/).
*Originally published in the February 7, 2022, edition of the This Week in Sound email newsletter [tinyletter.com/disquiet](https://tinyletter.com/disquiet).*