Fourth movement The fourth movement , called Intermezzo interrotto by PERSON@1 , consists of a flowing melody with changing time signatures , intermixed with a theme parodying and ridiculing the march tune in PERSON@2 's `` Leningrad '' Symphony -LRB- No. NUMBER@1 -RRB- -LSB- -RSB- .

The fourth movement , called Intermezzo interrotto by PERSON@1 , has a flowing melody with a time signature which keeps changing . There is also a theme which pokes fun at the march tune in PERSON@2 's `` Leningrad '' Symphony -LRB- No. NUMBER@1 -RRB- .
