French Diction For Singers

About the IPA subtitles. The symbole "~" is what I use for both liaison and legato linking. The standard way of writing out the IPA is somewhat unsatisfactory. For example the IPA for: Les américains (the Americans) would normally be written: [lez ameʀikε̃] or [le zameʀikε̃], but I prefer [le~z~ameʀikε̃] with the liaison consonant in between two "~"s. In this way, one is able to pronounce each word separately, yet good legato is encouraged when said together.
As "every syllable begins with a consonant", the use of the symbol "~" used for linking is shown in the following way. The IPA for:
par exemple (for example) will be written as: [paʀ~εgzɑ̃pl]. Of course, it is understood that there is no rest in the music between these two words.
As for the extended rolled Rs: yes, in today's performance practice one does not roll their Rs in such an exaggerated manner. However, since the entire reading of the text is slowed down it naturally follows the flipped R will be elongated to a rolled R.