Original: Fourth movement The fourth movement, called Intermezzo interrotto by Bartók, consists of a flowing melody with changing time signatures, intermixed with a theme parodying and ridiculing the march tune in Dmitri Shostakovich's "Leningrad" Symphony (No. 7) [].
Simplified: The fourth movement, called Intermezzo interrotto by Bartók, has a flowing melody with a time signature which keeps changing. There is also a theme which pokes fun at the march tune in Dmitri Shostakovich's "Leningrad" Symphony (No. 7).