Listen to C:4 Blue Waltz online. C:4 Blue Waltz is an Unknown language song and is sung by Nikki Iles. C:4 Blue Waltz, from the album Piano Exam Pieces 2023 & 2024, ABRSM Grade 5, was released in the year 2022. The duration of the song is 1:30. Download Unknown songs online from JioSaavn.