“Fast” is three minutes and one second long.<ref name=”AppleMusic”>{{Cite web |title=Fast – Single |first=Demi |last=Lovato |publisher=[[Apple Music]] |url=https://music.apple.com/us/album/fast-single/1828755651 |archive-url=https://web.archive.org/web/20250812084926/https://music.apple.com/us/album/fast-single/1828755651 |access-date=August 2, 2025 |date=August 1, 2025 |archive-date=August 12, 2025}}</ref> Sonically, it is a [[diva house]],<ref name=”breihan”>{{cite web |last1=Breihan |first1=Tom |title=Demi Lovato Shares New Single “Fast,” Revisits Her Greatest Memes |url=https://www.stereogum.com/2317784/demi-lovato-shares-new-single-fast-revisits-her-greatest-memes/music/ |website=[[Stereogum]] |access-date=August 1, 2025 |date=August 1, 2025}}</ref> [[Electronic music|electronic]],<ref name=”AllMusic”>{{cite web|title=Demi Lovato Songs, Albums, Reviews, Bio & More…|website=AllMusic|url=https://www.allmusic.com/artist/mn0000996127|access-date=November 7, 2025}}</ref> [[electropop]]<ref>{{cite web|last=Mier|first=Tomás|title=Demi Lovato’s Stellar Album Rollout Is on Speed Drive!|website=Rolling Stone|date=August 1, 2025|url=https://www.rollingstone.com/music/music-news/demi-lovato-fast-video-1235398142/|access-date=November 7, 2025}}</ref> song with [[Electronic dance music|EDM]] [[Electronic dance music|EDM]],<ref>{{cite magazine |last1=Dailey |first1=Hannah |title=Demi Lovato Makes ‘Fast’ Return to Pop Music With New Single: Stream It Now |url=https://www.billboard.com/music/music-news/demi-lovato-new-pop-song-fast-1236034727/ |magazine=[[Billboard (magazine)|Billboard]] |access-date=August 2, 2025 |date=August 1, 2025}}</ref><ref name=”AllMusic” /> and [[dance-pop]] elements<ref name=”kaufman”/> On “Fast”, Lovato sings, “Cuz baby honestly / I just wanna feel your hands all over me (over and over) / Right where they wanna be / Even if it’s only for tonight”.<ref>{{cite magazine |last1=Kaufman |first1=Gil |title=Demi Lovato Is Ready to Heat Up Summer With Sizzling Preview of Dance Floor-Ready ‘Fast’ Single |url=https://www.billboard.com/music/pop/demi-lovato-preview-fast-single-1236022470/ |magazine=[[Billboard (magazine)|Billboard]] |access-date=July 21, 2025 |date=July 16, 2025 |archive-date=July 20, 2025 |archive-url=https://web.archive.org/web/20250720124027/https://www.billboard.com/music/pop/demi-lovato-preview-fast-single-1236022470/ |url-status=live }}</ref> Writing for ”[[USA Today]]”, Anna Kaufman likened “Fast” with the [[synth-pop]] sound of Lovato’s 2015 single “Cool for the Summer”.<ref name=”kaufman”/>
“Fast” is three minutes and one second long.<ref name=”AppleMusic”>{{Cite web |title=Fast – Single |first=Demi |last=Lovato |publisher=[[Apple Music]] |url=https://music.apple.com/us/album/fast-single/1828755651 |archive-url=https://web.archive.org/web/20250812084926/https://music.apple.com/us/album/fast-single/1828755651 |access-date=August 2, 2025 |date=August 1, 2025 |archive-date=August 12, 2025}}</ref> Sonically, it is a [[diva house]],<ref name=”breihan”>{{cite web |last1=Breihan |first1=Tom |title=Demi Lovato Shares New Single “Fast,” Revisits Her Greatest Memes |url=https://www.stereogum.com/2317784/demi-lovato-shares-new-single-fast-revisits-her-greatest-memes/music/ |website=[[Stereogum]] |access-date=August 1, 2025 |date=August 1, 2025}}</ref> [[Electronic music|electronic]],<ref name=”AllMusic”>{{cite web|title=Demi Lovato Songs, Albums, Reviews, Bio & More…|website=AllMusic|url=https://www.allmusic.com/artist/mn0000996127|access-date=November 7, 2025}}</ref> [[electropop]]<ref>{{cite web|last=Mier|first=Tomás|title=Demi Lovato’s Stellar Album Rollout Is on Speed Drive!|website=Rolling Stone|date=August 1, 2025|url=https://www.rollingstone.com/music/music-news/demi-lovato-fast-video-1235398142/|access-date=November 7, 2025}}</ref> song with [[Electronic dance music|EDM]]<ref>{{cite magazine |last1=Dailey |first1=Hannah |title=Demi Lovato Makes ‘Fast’ Return to Pop Music With New Single: Stream It Now |url=https://www.billboard.com/music/music-news/demi-lovato-new-pop-song-fast-1236034727/ |magazine=[[Billboard (magazine)|Billboard]] |access-date=August 2, 2025 |date=August 1, 2025}}</ref><ref name=”AllMusic” /> and [[dance-pop]] elements<ref name=”kaufman”/> On “Fast”, Lovato sings, “Cuz baby honestly / I just wanna feel your hands all over me (over and over) / Right where they wanna be / Even if it’s only for tonight”.<ref>{{cite magazine |last1=Kaufman |first1=Gil |title=Demi Lovato Is Ready to Heat Up Summer With Sizzling Preview of Dance Floor-Ready ‘Fast’ Single |url=https://www.billboard.com/music/pop/demi-lovato-preview-fast-single-1236022470/ |magazine=[[Billboard (magazine)|Billboard]] |access-date=July 21, 2025 |date=July 16, 2025 |archive-date=July 20, 2025 |archive-url=https://web.archive.org/web/20250720124027/https://www.billboard.com/music/pop/demi-lovato-preview-fast-single-1236022470/ |url-status=live }}</ref> Writing for ”[[USA Today]]”, Anna Kaufman likened “Fast” with the [[synth-pop]] sound of Lovato’s 2015 single “Cool for the Summer”.<ref name=”kaufman”/>
