Based on the data I have analyzed, the most iconic decade for Club Retro's music genre would be the 1980s. During this time, electronic dance music (EDM) and synth-pop became increasingly popular, which aligns with the retro music style that Club Retro is known for. Some of the most popular artists among our regular clientele during this era include: 1. Michael Jackson - Known for his unique blend of pop, rock, soul, and funk, Michael Jackson was a major influence on the music scene in the 1980s. His albums "Thriller" and "Bad" were particularly popular among our patrons. 2. Prince - A prolific musician and innovator, Prince's blend of rock, R&B, and funk made him a favorite among Club Retro's clientele in the 1980s. His albums "Purple Rain" and "Sign o' the Times" were particularly popular during this time. 3. Madonna - Known for her provocative image and catchy pop tunes, Madonna was a major force on the music scene in the 1980s. Her albums "Like a Virgin" and "True Blue" were particularly popular among our patrons. 4. Duran Duran - This British band's blend of new wave and synth-pop made them one of the most popular bands of the 1980s. Their albums "Rio" and "Seven and the Ragged Tiger" were particularly popular among Club Retro's clientele during this time. 5. Depeche Mode - This British electronic band was at the forefront of the synth-pop movement in the 1980s. Their albums "Construction Time Again" and "Black Celebration" were particularly popular among our patrons.