When was the play written that Shylock is based on?
between 1596 and 1599
Title: Shylock (musical)
Passage: Shylock is a musical based on Shakespeare's "The Merchant of Venice", adapted and composed by Ed Dixon debuted at the York Theatre in 1987 with Dixon in the title role.  The performance garnered him a Drama Desk nomination for Best Actor in a Musical.  The cast included Lisa Vroman, Charles Pistone, Dennis Parlato, Ann Brown and Joel Fredricks.  Kathline Rubbico was musical director with sets and costumes by James Morgan and lighting by Marcia Madeira.  Lloyd Battista was the director.  According to Dixon, "Shylock" was an attempt to sympathetically explain the motivations of the eponymous character.
Title: Yasser (play)
Passage: Yasser is a play by Moroccan-born Dutch novelist, playwright and journalist Abdelkader Benali.  It was written in 2001, and describes the challenges and adversities faced by a Palestinian actor in playing the role of Shylock in Shakespeare's "The Merchant of Venice".
Title: The Merchant of Venice
Passage: The Merchant of Venice is a 16th-century play by William Shakespeare in which a merchant in Venice must default on a large loan provided by an abused Jewish moneylender.  It is believed to have been written between 1596 and 1599.  Though classified as a comedy in the First Folio and sharing certain aspects with Shakespeare's other romantic comedies, the play is perhaps most remembered for its dramatic scenes, and it is best known for Shylock and the famous "Hath not a Jew eyes?"  speech.  Also notable is Portia's speech about "the quality of mercy".  Critic Harold Bloom listed it among Shakespeare's great comedies.
The Merchant of Venice Shylock (musical)