I invite you to check this awesome website http://hipstersound.com
You can choose a background ambiances :
Buzz of a busy Texas cafe
Les charmants cafés de Paris
Gentle hum of a quiet restaurant
And then simulate some elments like :
Buffet car train
Countryside bar countryside
Snow cafe snow
Night club night
Windy terrace wind
With this awesome website, you setup your own background music, wether you want to work, have a cofee at home, write some steemit posts ...
Awesome :D