Mantovani – Der König der Saiten
Mantovani, the King of Strings (original)
Using archival footage and expert interviews, this documentary examines the career of orchestral conductor Mantovani and his famous "cascading strings."
Starring Mantovani, Petula Clark, Ken Bruce, Vic Damone, Paul Barrett
Watch "Mantovani – Der König der Saiten" from streaming services Netflix, Amazon released in 2014. It's a documentary and biography movie, and has a rating of 7.1 out of 10 from Imdb which is usually fine for this kind of movie.