It must have been love

"It Must Have Been Love" is a song by the Swedish duo Roxette, written by Per Gessle. Originally recorded in the key of D major, the track was first released in 1987 as a Christmas single in their home country. It gained international success when it was re-released in 1990 for the soundtrack of the movie "Pretty Woman." The song reached the number one spot on the Billboard Hot 100 chart in the United States, becoming one of Roxette's most popular songs. The emotive ballad showcases Marie Fredriksson's powerful vocals and captures the nostalgic essence of lost love and longing. With its catchy chorus and heartfelt lyrics, the melody of "It Must Have Been Love" resonates with listeners around the world.