Ideas 

1. General definition about sensory marketing

history

where it is using

sound marketing

examples

• Game sensory sound

• Advertisement sensory sound

• Foley

• Play

• Musical

2. Happiest sounds in the world   

• http://ideas.ted.com/bernie-krause-shares-the-happiest-sounds-hes-heard-in-nature/

3. endangered sounds ( Old computers, old telephones, telegraph…)  

• http://hereandnow.wbur.org/2014/04/24/discovering-lost-sounds  
• http://savethesounds.info/
• http://mentalfloss.com/article/29230/11-sounds-your-kids-have-probably-never-heard
• http://www.sciencefriday.com/blogs/01/24/2014/a-physicist-conjures-sounds-from-the-past.html?series=30

Interview.

methods: compare with similar modern item—as a clue for interviewers to guess what the sound is. eg:  Typewriter Vs. Keyboard