In opera it refers to the opera 'Tosca' by Puccini and to the lead 'Floria Tosca' a celebrated singer in that opera.
Tosca In the Settings and at the Times of Tosca - 1992 TV was released on: USA: 1 January 1993 Greece: 20 November 2005 (Thessaloniki International Film Festival)
Puccini's opera 'Tosca'. 'Tosca' an opera in three acts by Giacomo Puccini premiered in Rome on January 14, 1900. Tosca is a prima Donna in love with the painter Cavaradossi, and desired by Baron Scarpia.
The Metropolitan Opera HD Live - 2006 Puccini Tosca 8-3 was released on: USA: 9 November 2013
Verdi
The Metropolitan Opera HD Live - 2006 Puccini Tosca 4-1 was released on: USA: 10 October 2009 (theatrical release) Japan: 23 November 2010
There is no such thing as "Tosca a Puccini Vordi Mozart Rossin", but Puccini wrote an opera called Tosca; and Verdi, Mozart and Rossini were composers.
Not according to the opera.
Tosca in the opera of the same name.
A tragedy.
Giacomo Puccini
tosca