but books have a beginning middle and an end.
the two should alternate moreoften
it just sort of unfolds.
I agree, the two should alternate more often.
But isn't a book with verse/chorus/verse/chorus structure called a poem?
i guess Oceansize's Effloresce does this actually.
Songs, like poems are closer to the oral tradition. That's why they often rhyme and have repeating structures - it makes them easier to remember. In the days before things were written down or recorded only songs and poems with those characteristics would survive and so those forms became a deeply engrained part of our culture.
Novels didn't really exist in any meaningful sense until well after the invention of printing. Obviously there are prose epics which are part of the oral tradition but they are much less common than songs and poems.
There is really no need now for songs to have that structure, any more than there is a need for poems to rhyme but those things persist because they are still very efficient at making things memorable and thus popular. Songs without choruses and poems without rhymes tend to be at the 'artier' end of things (and hence often more interesting)