Before I opine, let me say thet my spellings are mine and, of course, deliberate. I'm also assuming that you memorized the song off of Iry LeJeune's recording, but correct me if I'm wrong. O.K., now that that's out of the way:

Admirable job on "J'ai Fait Aine Grosse Erreur", even down to the accent. Except for a garbled phrase, understandable because Cajuns have problems decoding their own pronunciations, and your use of "sur" (on) for "sus" (pronounced SU, not an elision of "sur" but a genuine old French alternate form), this was a first rate cover.