The numbers in your query likely refer to a specific associated with the song's leak history:
The query refers to the song (featuring Uffie) by Charli XCX , which has a story rooted in her 2017 mixtape Number 1 Angel and the infamous "XCX World" leak era. The Song's Origin Charli XCX Baby Girl 01 09 18 15 mp3
Metadata from a leaked rough demo indicates the song was recorded on September 3, 2015 (03/09/15). The numbers in your query likely refer to
Charli has described the track as a "sexually-charged fantasy" and one of the most "sexy" songs she has ever made. The "01 09 18 15" Mystery The "01 09 18 15" Mystery The track
The track features electro-pop artist Uffie . Charli asked her to join the song after they bonded at a house party while helping an intoxicated guest into an Uber.