[1] While there, he participated in productions of The Saint of Bleecker Street (conducted by Thomas Fulton), La rondine (conducted by Maurice Peress), and the role of Camille in The Merry Widow for Tulane Summer Lyric Theatre.
On December 24, 1983, three days before his twenty-second birthday, Redmann became the youngest tenor to debut with the Metropolitan Opera, as the Sailor in the Christmas Eve broadcast of Tristan und Isolde, conducted by James Levine.
Brought to the Met by Fulton, he joined the Metropolitan Opera's Young Artist Development Program, his career there consisted of secondary roles in Manon Lescaut (as Edmondo), Khovanshchina (as Kuzka), La traviata (as Gastone), Roméo et Juliette (as Tybalt and later as Benvoglio), Samson et Dalila (the Philistine Messenger), Lucia di Lammermoor (as Lord Arturo Bucklaw), Rigoletto (as Matteo Borsa) and Pong in Turandot.
[2] Elsewhere, Redmann appeared at Opéra de Nice (as Flamand in Capriccio and Don José in Carmen[when?
]), Hong Kong (as Hoffmann in Les contes d'Hoffmann)[when?