Forms are hard to decribe: a form might be cowboy song or cowboy waltz or sea shanty or one of the traditional hymn-meters -- or rondelay, rag, raga, or something else. My point was that it is useful to listen to lots of examples of whatever kind of songs you might want to write (and that this seems to be a step many "writers" are skipping).

And while I'm amending my earlier remarks I'll add that I think the best songs marry genuine or authentic emotion with craft or care in writing.