[1] It hosted performances by musicians Katy de la Cruz, Bobby Gonzales, Diomedes Maturan, Sylvia La Torre, Pilita Corrales, Elizabeth Ramsey, Bayani Casimiro, the Reycards Duet, and comedy acts Bentot, Chiquito, Lupito, and Pugo and Tugo and Tugak.

[6] Two important performances in Manila Grand Opera are Claro M. Recto's award-winning dramas La ruta de Damasco and Solo entre las sombras.

"[3] It provided daily entertainment for Manila residents, charging 85 centavos for admission to one theatrical production and one movie.

In addition to plays and movie showings, balagtasan,[9] operas, concerts and bodabil (vaudeville) performances[10] were occasionally staged in the complex.

[3] Among the entertainers who performed at the theater in the 1950s were Pilita Corrales, Elizabeth Ramsey, Bayani Casimiro, and Bobby Gonzales.

[1] Ownership of the complex shifted from the heirs of Teodoro to former Philippine Ambassador to Laos Antonio Cabangon Chua in the 1960s, by which then the MGOH had become a cinema.

MGOH's facilities include Ambassador A, B, C, D, E (8th floor), rooms (3rd-7th), casino and KTV bar (mezzanine), business center, meeting room 1, Multi Carats Jewelry shop, Circa 1900 bar and restaurant, New President Sharks Fin Seafood Restaurant, Mister Donut Coffee and swimming pool (1st floor).