Someone ! the various melodies heard in antonin dvořák's "string quartet in f major" have a/an quality.

The various melodies heard in Antonin Dvořák's "String Quartet in F Major" have a folk-like quality.
There are some instances in this string quartet which are reminiscent of American, Slavonic, and other culture's folk music, meaning music sang and played within the groups of 'ordinary people.' It was written in the pentatonic scale which is common with folk music.

Generally spontaneous human combustion is something that still bewilders some, human combustion happens very rarely and doesn't affect the surrounding areas, so unless you want to set your self on fire, human combustion will remain spontaneous and very rare.