Spring is the debut single album by South Korean singer Park Bom. It was released on March 13, 2019, by D-Nation, alongside the lead single of the same name with the premiere of its music video. "Spring" was produced by Brave Brothers and was described as an "R&B song of medium tempo". Additionally, the song features vocals from Park's former group-mate Sandara Park. Spring was re-released as an extended play titled re:Blue Rose on May 2, 2019. The lead single, titled "4:44", was produced by Brave Brothers once again and featured vocals from Mamamoo's Wheein.
The title song "Spring" was performed for the first time during Spring<nowiki/>'s showcase event, which was held on the same day of its release.
"Spring" debuted at number two on Billboard's World Digital Song Sales chart as highest-selling K-pop song and highest-charting new entry of that week.
Credits adapted from Tidal.
"Spring ()"
"4:44 ()"