Star , ▁D ew ain ▁Whit more ▁and ▁Se v yn ▁Stre eter . ▁Mus ically , ▁" X " ▁is ▁a ▁song ▁that ▁un ites ▁R & B ▁and ▁soul ▁vocals ▁with ▁a ▁dance ▁beat . ▁The ▁song ▁contains ▁lyr ics ▁about ▁Brown ▁forget ting ▁a ▁failed ▁relationship ▁with ▁a ▁woman . ▁" X " ▁received ▁critical ▁pra ise ▁from ▁music ▁critics , ▁which ▁pra ised ▁the ▁m atur ity ▁of ▁the ▁lyr ics ▁and ▁his ▁production . ▁Following ▁the ▁release ▁of ▁X , ▁as ▁a ▁result ▁of ▁the ▁strong ▁digital ▁download s , ▁the ▁song ▁chart ed ▁on ▁multiple ▁charts ▁world wide ; ▁it ▁pe aked ▁at ▁number ▁ 9 8 ▁on ▁the ▁US ▁Billboard ▁Hot ▁ 1 0 0 , ▁number ▁ 2 6 ▁on ▁the ▁US ▁Hot ▁R & B / H ip - H op ▁Songs ▁chart , ▁number ▁ 6 3 ▁on ▁the ▁French ▁Singles ▁Chart , ▁number ▁ 1 2 ▁on ▁the ▁UK ▁Singles ▁R & B ▁Chart , ▁number ▁ 8 1 ▁on ▁the ▁UK ▁Singles ▁Chart ▁and ▁number ▁ 7 5 ▁on ▁the ▁Australian ▁Singles ▁Chart . ▁ ▁Com position ▁and ▁lyr ics ▁" X " ▁is ▁a ▁song ▁that ▁un ites ▁R & B ▁and ▁soul ▁vocals ▁with ▁an ▁ED M ▁beat , ▁with ▁an ▁instrument ation ▁provided ▁by ▁a ▁ro land ▁TR - 8 0 8 ▁and ▁synth es izers . ▁In ▁the ▁song ▁Brown ▁s ings ▁over ▁a ▁soft ▁beat ▁before ▁transition ing ▁into ▁a ▁more ▁up - tem po ▁sound