Editing 1,039/Smoothed Out Slappy Hours (section)

===Composition===
Musically, the record has been labeled as [[punk rock]],<ref name="myers">{{cite book |last1=Myers |first1=Ben |title=Green Day - American Idiots & The New Punk Explosion |date=May 26, 2005 |publisher=John Blake |isbn=9781784189433 |url=https://books.google.com/books?id=JSa3DwAAQBAJ |access-date=April 28, 2022}}</ref><ref name="Pitchfork"/><ref name=rolling/><ref name="Punknews"/><ref name="larkin"/> [[pop-punk]],<ref>{{Cite web|url=https://www.altpress.com/reviews/1039smoothedoutslappyhours/|title=GREEN DAY – 1,039/SMOOTHED OUT SLAPPY HOURS|date=2010-06-22|access-date=2021-12-08|website=Alternative Press|last=Raub|first=Jesse|quote=1,039/Smoothed Out Slappy Hours shows the band using upbeat three-chord pop-punk songs to manifest their scorned love, budding alienation and youthful scrappiness|archive-date=2021-12-08|archive-url=https://web.archive.org/web/20211208220003/https://www.altpress.com/reviews/1039smoothedoutslappyhours/|url-status=live}}</ref><ref>{{Cite web|url=https://www.avclub.com/green-day-21st-century-breakdown-1798206249|title=Green Day: 21st Century Breakdown|date=2019-05-19|access-date=2021-12-08|website=AV Club|last=Ryan|first=Kyle|quote=playing dopey pop-punk on an even-dopier-titled 1991 disc (1,039/Smooth Out Slappy Hours)|archive-date=2021-12-08|archive-url=https://web.archive.org/web/20211208220458/https://www.avclub.com/green-day-21st-century-breakdown-1798206249|url-status=live}}</ref><ref>{{Cite web|url=https://www.tinymixtapes.com/music-review/green-day-1039smoothed-out-slappy-hours-reissue|title=Green Day - 1,039/Smoothed Out Slappy Hours (reissue)|access-date=2021-12-08|website=Tiny Mix Tapes}}</ref><ref name="sputnik"/> and [[skate punk]];<ref name="IGN">{{cite web |title=Green Day: Worst to Best |url=https://www.ign.com/articles/2009/05/12/green-day-worst-to-best |website=[[IGN]] |date=12 May 2009 |access-date=21 May 2022 |quote=Naturally, this is Green Day at its least refined, and therein lies its charm and primary appeal. 39/Smooth is honest skateboard punk.}}</ref> “Disappearing Boy” for example featured as the backing track for the “Contests, Demos, Skate Parks” segment in [[Plan B Skateboards|Plan B]]’s ''[[Plan B Skateboards#1991-1993:_Formation,_Ternasky's_"super_team",_Questionable|Questionable]]'' (1992).