▁at ▁the ▁same ▁time ▁by ▁the ▁tri o . ▁Sw izz ▁Be atz ▁stated : ▁" [' R ing ▁the ▁Al arm ' ▁is ] ▁just ▁one ▁of ▁the ▁many ▁presents ▁I ▁gave ▁[ K now les ] ▁for ▁her ▁B ' Day . ▁I ▁have ▁the ▁most ▁tracks ▁on ▁her ▁album ▁as ▁a ▁single ▁producer ". ▁" R ing ▁the ▁Al arm " ▁was ▁co - arr anged ▁by ▁Know les ▁and ▁recorded ▁in ▁the ▁same ▁studio . ▁She ▁said ▁about ▁her ▁collaboration ▁with ▁Sw izz ▁Be atz , ▁" I ▁love ▁working ▁with ▁Sw izz . ▁He ' s ▁challeng ing . ▁His ▁be ats ▁are ▁so ▁complex ▁it ' s ▁hard ▁to ▁find ▁a ▁mel ody . ▁But ▁[' R ing ▁the ▁Al arm '] ▁just ▁clicked ". ▁ ▁Com position ▁" R ing ▁the ▁Al arm " ▁is ▁an ▁R & B ▁song ▁that ▁incorpor ates ▁elements ▁of ▁punk ▁rock , ▁According ▁to ▁the ▁sheet ▁music ▁published ▁by ▁E MI ▁Music ▁Publishing , ▁it ▁is ▁composed ▁in ▁the ▁key ▁of ▁A ▁minor ▁but ▁changes ▁to ▁E ▁major ▁in ▁the ▁bridge ▁and ▁changes ▁to ▁A ▁minor , ▁and ▁set ▁in ▁common ▁time ▁at ▁a ▁moder ately ▁slow ▁tempo ▁of ▁ 8 5 ▁be ats ▁per ▁minute . ▁The ▁instrument ation ▁of ▁" R ing ▁the ▁Al arm " ▁includes ▁drums , ▁cl atter ing ▁per cussion ▁instrument , ▁tre ble ▁synth es izers , ▁and ▁bass ▁instrument . ▁It ▁also ▁makes ▁use ▁of ▁a ▁sla pping ▁back be at ,