Which 99 Year Waltz are you looking for? Several songs go by this title.
The best known is perhaps Convict Waltz as done by Iry LeJeune, which adapted Amede Ardoin's Valse a Abe.
Oh, moi je m'en vas, con****e pour quatre vignt dix-neuf ans
C'est juste rapport aux paroles toi, t'as dit qui m'a fait soufert aussi longtemps pour ca
Oh, tout les soirs
Moi, je me couche avec des larmes dans mes yeux
C'est pas de toi, bebem je m'ennuuie autant
C'est des chers enfants j'connais qui miserent
Oh, tite fille c'est pas la peine
Tes menteries vont rester sur ta conscience
La verite va peut-etre te fair du mal
Mais quelqu'un va toujours te recompenser
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I'm going, condemned for 99 years
It's just because of the words you told me
That make me suffer so long for that
Every night I go to bed with tears in my eyes
It's not you I miss so much
It's my dear children, who are in misery
Oh, my dear, it's no use
Your lies will stay on your conscience
The truth may hurt you
But someone will always pay you back
The transcription was in Ann Savoy's book and I did my best to translate it.
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Another song called 99 Year Waltz was done by Milton Molitor with Austin Pitre. Was that the one you were thinking of?
Which Ossun Two Step? One is by Amede Ardoin and it's instrumental. Another is by Joe Falcon but I thought it was called just Ossun. Another instrumental is by Lawrence Walker and others, though on the Lawrence Walker 45 it was called Opelousas Two Step.
I don't have the lyrics to the Joe Falcon version.