[tex]\small\fcolorbox{red}{blue}{ANSWER:}[/tex]
Four basic types of musical forms are distinguished in ethnomusicology: iterative, the same phrase repeated over and over; reverting, with the restatement of a phrase after a contrasting one; strophic, a larger melodic entity repeated over and over to different strophes (stanzas) of a poetic text; and progressive, in which new melodic material is continuously presented (thus synonymous with through-composed). The following discussion deals first with Western and then with non-Western music.
[tex]\small\fcolorbox{red}{blue}{Step-by-step Explanation:}[/tex]
[tex]\small\fcolorbox{red}{blue}{Answered By Jhon Louie:}[/tex]