The songs in the study are selected by ranking top5 of the weekly charts on Billboard at the beginning to the end of the 2015. The songs that collected have the various categories such as pop, rock, country, or hip hop. They also provide many lists of the artists who are the owner of each song. Moreover, there are many themes of songs that expressed in this research that can be analyzed in this research.
However, there are many interesting songs in the Billboard that they are not ranked in top5 of the weekly charts, and they could express the themes of songs that relate to many people’s feelings, emotion, culture or societies in this period.
The goal of this research is to analyze the lyrics, messages and the content of the songs on Billboard Charts in 2015. To study the themes of the songs that could affect the culture, societies, or feelings of people via the most famous Billboard music charts. Hence, this study that analyses to themes of songs will help people to comprehend cultures, thoughts, tastes or ways of life of people in this age.