On April 27, 1981, one of the most iconic and influential pop songs of all time was released: "Dancing Queen" by the Swedish group ABBA. The song, which was included on their album "Arrival," quickly became a global sensation and cemented ABBA's status as one of the most successful pop acts of the 1970s and early 1980s.

"Dancing Queen" was written by ABBA members Benny Andersson, Björn Ulvaeus, and Stig Anderson, with lead vocals shared by Agnetha Fältskog and Anni-Frid Lyngstad. The song's disco-inspired sound, catchy melody, and uplifting lyrics about the joys of dancing made it an instant hit with audiences around the world.

The song topped charts in numerous countries, including Sweden, the United Kingdom, Germany, and Australia, and reached number one on the Billboard Hot 100 in the United States. It remains ABBA's only number one hit in the US and has since been certified gold by the Recording Industry Association of America (RIAA) for selling over 1 million copies.

"Dancing Queen" has endured as a timeless classic and continues to be celebrated and covered by artists across various genres. The song has been featured in numerous films, television shows, and stage productions, including the hugely successful jukebox musical "Mamma Mia!" which premiered in 1999 and was adapted into a feature film in 2008.

The release of "Dancing Queen" on April 27, 1981, marked a significant moment in music history, showcasing ABBA's immense talent and contributing to the enduring legacy of disco and pop music. Its impact and popularity continue to resonate with audiences of all ages, making it a true testament to the power of music to unite and bring joy to people around the world.