"Happy Together" was originally performed by The Turtles, an American rock band, in 1967. The song became a hit, reaching number one on the Billboard Hot 100 chart. It is known for its catchy melody and nostalgic lyrics about love and longing. The song has been covered by various artists over the years and remains a classic, often associated with themes of romance and happiness. The film "Happy Together," directed by Wong Kar-wai, features this song, further enhancing its emotional resonance.

The song "Happy Together" by The Turtles has been featured in several TV shows, but one of the most notable uses was in the series "The Simpsons." It appears in the episode titled "The Way We Was," where it is played during a flashback scene of Marge and Homer’s teenage years. The song’s nostalgic and upbeat tone perfectly complements the romantic themes of the episode. Additionally, it has been used in other shows such as "The Wonder Years" and "That '70s Show."

The Turtles' biggest hit is "Happy Together," released in 1967. The song reached number one on the Billboard Hot 100 chart and became a defining track of the era. Its catchy melody and heartfelt lyrics about love and companionship resonated with audiences, making it a classic that continues to be celebrated in popular culture. The Turtles, known for their blend of folk rock and pop, achieved significant success during the 1960s, but "Happy Together" remains their most iconic song.

"Happy Together," directed by Wong Kar-wai, is often categorized as a romantic drama with strong themes of love and longing between two men, making it a significant film in the Boys' Love (BL) genre. The story follows the tumultuous relationship between two gay men, played by Tony Leung and Leslie Cheung, as they navigate their emotional struggles in Buenos Aires. While it explores deep romantic and sexual themes, it also delves into broader issues of identity and connection. Therefore, it can be considered a BL film, though it transcends typical genre boundaries.