▁Thor nt on ▁and ▁R ex ▁R ide out ▁for ▁his ▁ele vent h ▁studio ▁album ▁I ▁Know ▁( 1 9 9 8 ). ▁The ▁u pt em po ▁song ▁served ▁as ▁the ▁album ' s ▁lead ▁single . ▁Following ▁its ▁release , ▁it ▁pe aked ▁number ▁ 4 ▁on ▁Bill boards ▁ ▁Ad ult ▁R & B ▁Songs . ▁ ▁Track ▁listing ▁US ▁CD ▁Single ▁( Prom o ) ▁" N ights ▁In ▁Har lem " ▁fe at . ▁P rec ise ▁( LP ▁Edit ) ▁" N ights ▁In ▁Har lem " ▁fe at . ▁G uru ▁( A ▁Dark child ▁Rem ix ▁Edit ) ▁" N ights ▁In ▁Har lem " ▁( LP ▁Edit ▁W / O ▁Rap ) <0x09> ▁" N ights ▁In ▁Har lem " ▁( A ▁Dark child ▁Rem ix ▁Edit ▁W / O ▁Rap ) <0x09> ▁" N ights ▁In ▁Har lem " ▁fe at . ▁G uru ▁( A ▁Dark child ▁Ext ended ▁Rem ix ) ▁UK ▁Vin yl ▁ 1 2 " ▁Single ▁A 1 ▁" N ights ▁In ▁Har lem " ▁( D ark child ▁Ext ended ▁Rem ix )- 5 : 2 5 ▁A 2 ▁" N ights ▁In ▁Har lem " ▁( D ark child ▁Rem ix ▁Edit )- 4 : 0 9 ▁B 1 ▁" N ights ▁In ▁Har lem " ▁( D ark child ▁Inst rument al )- 4 : 2 3 ▁B 2 ▁" N ights ▁In ▁Har lem " ▁( LP ▁Edit )- 4 : 3 6