Oldham played leading tenor roles in nineteen full and abridged HMV Savoy opera recordings, as follows: Defendant in Trial by Jury (1928), Alexis in The Sorcerer (1933), Frederic in Pirates (1920, 1929 and 1931), the Duke of Dunstable in Patience (1930), Earl Tolloller in Iolanthe (1922 [part] and 1929), Hilarion in Princess Ida (1924 and 1932), Nanki-Poo in The Mikado (1926 and 1936), Richard Dauntless in Ruddigore (1924 and 1931), Colonel Fairfax in Yeomen (1920, 1928 and 1931) and Marco in The Gondoliers (1927 and 1931).
Oldham performed leading tenor roles in nineteen complete and abridged HMV Savoy opera recordings, including: Defendant in Trial by Jury (1928), Alexis in The Sorcerer (1933), Frederic in Pirates (1920, 1929, and 1931), the Duke of Dunstable in Patience (1930), Earl Tolloller in Iolanthe (1922 [part] and 1929), Hilarion in Princess Ida (1924 and 1932), Nanki-Poo in The Mikado (1926 and 1936), Richard Dauntless in Ruddigore (1924 and 1931), Colonel Fairfax in Yeomen (1920, 1928, and 1931), and Marco in The Gondoliers (1927 and 1931).