Home›2014 debut singles›Happiness🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусский한국어中文EntityQ17504964· pop 8· linked from 81 articlesHappiness2014 single by Red VelvetWikidata factsShow 1 more factpublication date2014-08-04Sources (3)wikidata.orgwikidata.orgwikidata.orgvia Wikidata · CC0Available in 8 languagesEspañol中文РусскийPortuguêsItalianoBahasa Indonesia한국어via Wikidata sitelinks · CC0ConnectionsYouTubeConceptKang Seul-giEntitySeoulCategories2014 debut singles2014 songsMusic video controversiesRed Velvet (group) songsSM Entertainment singlesSongs written by Chad HugoSongs written by Will SimmsSongs written by Yoo Young-jin