Listen to Delius: Summer Night on the River online. Delius: Summer Night on the River is a French language song and is sung by Sir Charles Mackerras and Orchestra Of The Welsh National Opera. Delius: Summer Night on the River, from the album 50 Great Pieces Of Classical Music For Summer, was released in the year 2013. The duration of the song is 5:55. Download French songs online from JioSaavn.