"Boundless Oceans, Vast Skies" (Chinese: 海闊天空; Jyutping: hoi2 fut3 tin1 hung1; lit. "sea wide sky empty") is a song performed by Beyond, the Hong Kong band. Being released on 1993 in the Cantonese album Rock and Roll, the song was massively popular. The song has been also translated as "Under a Vast Sky", "Ocean Wide Sky High", "Vast Seas, Clear Skies", and"Clear Skies, Vast Ocean". The song has been an anthem of Cantonese rock music and one of Beyond's signature songs. The iconic song was adopted in different protests in Cantonese-speaking regions, most prominently as the unofficial anthem of the 2014 Hong Kong protests.