Marvin Gaye's "What's Going On" is a landmark album in the soul and R&B genres, released in 1971. The album addresses social and political issues such as poverty, the Vietnam War, and police brutality, and is considered to be one of the first concept albums in popular music. With its smooth, soulful sound, "What's Going On" is a departure from Gaye's earlier work and showcases his growth as an artist. The album includes hits like the title track and "Mercy Mercy Me (The Ecology)" and is considered a classic of not just soul and R&B, but of popular music in general. It is widely regarded as one of the greatest albums of all time, and its impact can still be felt in modern music today.