How can I have on poem in two different languages written such that in one language it is on the left page and in the other language it is on the right side. Since I have several poems I would like to have in that small book, I thought of the memoir class. Is there something available to do this?
For that you can use the babel package (indeed you should). In the preamble, put this:
The last one is the one that will be active later. When you need to change the language, use
That should do the trick.
And for the actual poem... well, the best thing (at least the easiest) is to use the
I found out that the parallel package is also an option to solve two languages on every page.