”¢ Heroic Jingle: Kudos to readers of ign.com for noticing the small text on the poster for the *Avengers: Age of Ultron* movie and discerning from it that Spider-Man may very well be in the film. Why? Because there’s a credit for composer Danny Elfman, who wrote the theme for the modern Spider-Man films:
[http://www.ign.com/articles/2015/02/24/behold-the-new-poster-for-marvels-avengers-age-of-ultron](http://www.ign.com/articles/2015/02/24/behold-the-new-poster-for-marvels-avengers-age-of-ultron)
”¢ Sound Trip: My friends Nick Sowers and Bryan Finoki are now using sound to investigate the urban environment with a series at Design Observer. The first takes them to San Francisco’s Mission District:
[http://designobserver.com/feature/infringe-01-the-new-mission-soundtrack/38775](http://designobserver.com/feature/infringe-01-the-new-mission-soundtrack/38775)
Ӣ Tracking Sound: This is a bit old, dating from late December, but I just came across the news that Freesound.org, a massive shared database of field recordings and other sounds, now allows users to track specific tags and users. Useful if you have a fetish for creaking doors, foghorns, or particular species of bird:
[http://blog.freesound.org/?p=532](http://blog.freesound.org/?p=532)
”¢ Mapping Sound: The National Park Service has mapped the quietest places in the United States of America. The word “sonification” is a useful one in discussing the way sound can be employed to explain data, but in this case it is, in turn, a simple visualization that best depicts how the west is far more quiet than the east:
[http://www.citylab.com/commute/2015/02/the-quietest-places-in-america-mapped/385620/](http://www.citylab.com/commute/2015/02/the-quietest-places-in-america-mapped/385620/)
*This first appeared in the February 24, 2015, edition of the free Disquiet email newsletter: [tinyletter.com/disquiet](http://tinyletter.com/disquiet).*