According to Inside the Hits, the lyrics refer to the commotion created by Billie Jean on a dance floor. She entices the crowd with a seductive come-on before luring Jackson to her bedroom, through the fragrance of her perfume. Jackson's vocal range spanned from a high baritone to a falsetto and he usually wrote melodies to show this range. However, in the verses of "Billie Jean", the singer's vocals range from a tenor to a low falsetto. A four note falsetto is showcased in the chorus and, during the last line, Jackson peaks at a full octave.[6]
Following the two sharp repeats of "do think twice", at the end of the third verse, a cello-like synth cuts the chords of the fourth verse. Upon hearing that the baby's eyes resembles Jackson's, a voice laments, "oh no". This is met with Jackson's signature falsetto "hee hee".[6] The bridge debuts the strings, holding a pedal tone tonic with the exception of two lines and a chord leading into the chorus. Violins are then played, followed by a four-note minor guitar solo. During the solo, vocal shouts, screams and laughs are added. Throughout this, the chord progression remains unaltered and is laced with Jackson's vocal hiccups. All the musical and vocal elements are brought together in the final chorus. In the fade, Jackson repeats the denial of fathering Billie Jean's child.
