Millionth was constructed by simply using a telephone and audio recording equipment. James Chinneck systematically recorded individuals saying the word “hello” when they first answered their telephone.

Chinneck charted his telephonic journeys through 227 different countries, working on condensing the world’s population at a ratio of 1:1000000 to generate a total of 6348 people. Each individual “hello” has been edited into a sequence, which includes every country in descending order of population size, one after the other, resulting in a 43 minute audio track. -Reprinted from Radius.