[15][16] He sang Damien in the premiere of Daniel-Lesur's Andrea del Sarto in Marseille, with Gabriel Bacquier in the title role and Serge Baudo conducting,[17] having taken part in The Mines of Sulphur in the same house the previous year.
[21] As Henri de Valois with “warm and winning personality”, Gui took part in a complete BBC radio broadcast of Chabrier's Le Roi malgré lui recorded in Manchester in 1973, conducted by Manuel Rosenthal.
[23] Gui took part in recordings of French language excerpts from Rêve de Valse by Oscar Straus in 1960, Le Pays du Sourire in 1960, and Paillasse (Silvio) conducted by Jésus Etcheverry on the Classiques Pour Tous label.
He was the solo singer in Le Souper - opéra pour un personage by Marius Constant for Philips (Collection Trésors Classiques) with soloists of the ORTF chorus conducted by Marcel Couraud in 1969.
He sang the Grand Sénéchal in the opéra comique Jean de Paris by Boieldieu in 1966, published in 1991 by Gaieté lyrique : Musidisc, and appears on the album 'Les plus beaux chants sacrés' (1959) on the Orphée label.