1973 was a defining year for Pink Floyd with the release of "The Dark Side of the Moon" in March. This album became one of the best-selling albums of all time, known for its seamless concept, innovative production, and iconic cover art featuring the prism and rainbow. The album includes some of the band's most recognized tracks, such as "Time," "Money," and "Us and Them.""The Dark Side of the Moon" marked a significant shift in the band's popularity, propelling them to international fame. The album's success was supported by an extensive tour, with performances in the UK, Europe, and North America. Pink Floyd's live shows became more elaborate, with sophisticated light shows and visual effects that complemented the album's themes.The success of "The Dark Side of the Moon" also marked a change in the band's dynamics, with Roger Waters taking on a more prominent role in the band's creative direction. This year solidified Pink Floyd's position as one of the most influential rock bands in history, setting the stage for their future projects and iconic status.