Listen to Trauermusik: I. Langsam online. Trauermusik: I. Langsam is an Instrumental language song and is sung by Rudolf Barshai and Moscow Chamber Orchestra. Trauermusik: I. Langsam, from the album Rudolf Barshai. Collection, was released in the year 2019. The duration of the song is 3:18. Download Instrumental songs online from JioSaavn.