"Solo" is the debut solo single by South Korean singer and rapper Jennie. It was released through YG Entertainment and Interscope on November 12, 2018. The song was written by Teddy and composed by him alongside 24. Sonically, "Solo" is a dance, pop, and hip hop song with EDM elements. Its lyrical content revolves around themes of independence following a break-up. "Solo" was a commercial success in South Korea, peaking atop the Gaon Digital Chart and the Billboard K-pop Hot 100 for two weeks. Internationally, it made Jennie the first lead female K-pop soloist to top the Billboard World Digital Songs chart in the United States, and debuted on the charts of several other countries, including Canada, Japan, Malaysia, New Zealand, Scotland, Singapore and the United Kingdom. It has received three platinum certifications from the Korea Music Content Association (KMCA) for surpassing 2.5 million digital units, 250,000 physical units, and 100 million streams, as well as a gold certification from the Recording Industry Association of Japan (RIAJ). An accompanying music video for the song was directed by Han Sa-min and uploaded to Blackpink's YouTube channel simultaneously with the single's release. The video was filmed in the United Kingdom and depicts Jennie's transformation from an innocent to strong independent woman. In 2024, it became the first music video by a female K-pop soloist to reach one billion views on the platform. Jennie promoted "Solo" with performances on the South Korean music programs Inkigayo and Show! Music Core, as well as Blackpink's In Your Area World Tour. The song won several accolades, including Best Digital Song at the 34th Golden Disc Awards.