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.

Cassie stated the song was inspired by a real-life experience where she felt infatuated with a new person shortly after a breakup.

The lyrics center on a narrative of , anticipation, and desire.

The song is performed in the key of G♯ minor with a tempo of 100 beats per minute . Lyrical Meaning and Themes