Popular music refers to music that is commercially produced and widely distributed, intended for mass consumption by a broad audience. It typically circulates through commercial media such as radio, television, film, digital streaming platforms, and social media, and reflects prevailing tastes, cultural trends, and social values of a given time. Studying popular music requires more than simply tracking what topped the charts. While chart success often signals public enthusiasm or popularity, it doesn’t always reflect a song or artist’s cultural significance or long-term impact. Many highly influential musicians never had mainstream hits, and some commercially successful music fades quickly from memory. Ultimately, popular music is a cultural barometer; an important lens, but not the only one, for evaluating the role of music in American life.
In discussions of popular music, “the charts” typically refer to ranked listings of songs or albums based on various metrics of commercial success, including sales, radio airplay, streaming data, and online engagement. Examples include the Billboard Hot 100, Billboard Top 40, and genre-specific charts (e.g., Country, R&B/Hip-Hop, Dance). These rankings serve as snapshots of listener preferences and market trends, helping to identify which songs are most prominent in a given week or era.
However, among scholars and music industry observers, charts are often viewed with understandable skepticism. For much of their history, the methodologies used to compile chart rankings were not transparent. The formulas for determining chart placement have varied widely and have often been vulnerable to manipulation by record companies, distributors, and radio promoters. The Recording Industry Association of America (RIAA) and organizations like Nielsen SoundScan have attempted to standardize data collection, but challenges remain. Charts are not precise tools for measuring a song’s artistic quality, cultural importance, or long-term influence. A record might chart well due to strong promotional backing but leave little lasting impact, while another might gain minimal initial attention but become influential over time.
Despite these limitations, charts remain among the best resources available for tracking changing listener tastes and commercial patterns. When used alongside other evidence, they help illuminate the shifting landscape of musical taste and industry strategy. Ideally, researchers would also have access to comprehensive data sets such as historical radio playlists, exact sales numbers, or streaming patterns across diverse regions. However, such data is often incomplete, inconsistent, or proprietary. For this reason, this book uses chart data not as definitive proof of artistic value, but as one lens among many to explore the shifting landscape of American popular music.