The song is renowned for its production.

Ryan Leslie created the beat first and wrote the lyrics around it, eventually mixing the track on his laptop in a hotel room.

Released on April 25, 2006, "" is the debut single by American singer Cassie. Written and produced by Ryan Leslie , the track served as the lead single for her self-titled debut album and became a definitive anthem of the mid-2000s "ringtone pop" era. Composition and Production

The song explores feelings of longing and attraction, with the phrase "Me & U" serving as a term of endearment to describe the deep connection the protagonist feels for her love interest.