> ‘Poetry translation’. Is such a thing possible?. I think it must be like giving a picture to a musician and asking for a
symphony.

Yes, it is! If you haven't seen it then get Cyrano de Bergerac out on video - the one with Gerard Depardieu in the leading role. The entire film is in French rhyming couplets but so are the English subtitles! What's even more surprising is that the context and the humour are not lost in the translation. Top marks to the scholar who sat down and sweated over that coup de majesté