disco exploded onto the scene, and the world of music was forever changed. Here's a list of Billboard's top-ranking tunes for each year released. We guarantee some of these '70s songs will bring ...

Along with the still-relevant big names found in the below list of the Top 40 Songs of 1975, which were chosen by the UCR ...

the Grammy Awards awarded a Best Disco Album for the first—but more tellingly, the last time. In the first year of the new decade, Billboard changed its “Disco” chart category to “Dance.” ...