Casaglia, Gherardo (2005). "Tarare,8 June 1787". L'Almanacco di Gherardo Casaglia (in Italian).
archive.org
Carbonel, a singing student of the Paris Opera, was fourteen when he took part in the premiere of Tarare (Alexandre Choron & François Fayolle (editors), Dictionnaire Historique des Musiciens, Paris: Valade/Lenormant, 1810, I, p. 118, accessible for free online at Internet Archives).
books.google.com
Le Roux was a member of the Choir included among the tailles (bari-tenors) (cf. composition of the Choirs reported in the original libretto).
