Sweet Refrain (Instrumental) by Perfume - Song on Apple Music
Stream Perfume - Sweet Refrain (047 Guitar Pop Remix)[2014] by 047 | Listen online for free on SoundCloud
Crunchyroll - VIDEO: The New PV from Perfume, "Sweet Refrain"
Sweet Refrain 2013.11.27 from Perfume's Costume Book -English- - Ko-fi ❤️ Where creators get support from fans through donations, memberships, shop sales and more! The original 'Buy Me a Coffee' Page.
Perfume「Sweet Refrain」インタビュー - 音楽ナタリー 特集・インタビュー
Sweet Refrain» lo nuevo de Perfume – Anime en Español
Crunchyroll - VIDEO: The New PV from Perfume, "Sweet Refrain"