What song is the feeling between brother and sister?

Does the subject want to ask "which song does brother and sister mean?" Wedding vows. The meaning of brotherly affection is in the original sentence of the lyrics: brotherly affection is like running water ringing day and night. This lyric comes from the song "Wedding Vows" written by Lei Zhenbang, a famous composer of film music, and is an episode of "Lusheng Love Song" filmed by changchun film studio 1957.