Populonimbus: Sixty Years of Hits, Sixty Years of Change is a book that is meant to tug at anyone's nostalgia strings. The book uses the language of the last 60 years of number 1 songs to show the evolution of people's language over that time. Through the use of word clouds, a diagram that compares word frequency to word size, we can see what words are most popular in every hit song of the last 60 years. Along side these diagrams are events that happened in the year to give context for the song.