Which type of music/lyrics sell best on Songbay?

Which type of music/lyrics sell best on Songbay? The list of uses for which buyers require music and lyrics is endless, hence all high quality material (of any genre) stands a good chance of getting noticed on Songbay. Well produced /structured commercial songs of all genres are always very popular as is high quality orchestral music. Well crafted lyrics use devices such as metaphor, personification and alliteration are always in demand.