de Nice, Vlaamse Opera, New Zealand Opera, National Theatre of Prague, and Opera North. In 2006 she performed as Hanna Glawari in Franz Lehár's The Merry Widow for Opera Holland Park in London in 2006. In 1996, Caine made a guest appearance on The Future Sound of London's album Dead Cities, performing operatic vocals on the song "Everyone in the World Is Doing Something Without Me". On October 7, 2006, Caine reunited with her former cast colleagues from the original London production of Les Misérables to sing "One Day More" after a performance in celebration of the show's 21st anniversary making it the longest running musical in the world. The original cast reunited again in 2010 to celebrate the show's 25th anniversary at the O2 Arena in London. In May 2009, Caine made her Chicago debut in the Chicago Opera Theater's production of Benjamin Britten's Owen Wingrave. In December 2010, Caine returned to the musical theatre stage as Lady Raeburn in Salad Days produced by Tête à Tête. In May 2011, Caine played Ottavia in a jazz adaptation of The Coronation of Poppea directed by Mark Ravenhill. In the summer of 2012, Caine played Baroness Elsa Schraeder in the Sound of Music at the Kilworth House Theatre in Leicestershire. The production also featured Helena Blackman as Maria and Jan Hartley as Mother Abbess. In March 2013, Caine played Lady Vale in Darling of the Day at the Union Theatre, London, marking the show’s UK premiere after an initial 31-performance run on Broadway over four decades previously in 1968. From November 2014-January 2015, Caine played Katisha in The Mikado at London's Charing Cross Theatre. In December 2015-February 2016, Caine joined the Asolo Repertory Theatre Company in Sarasota, Florida making her straight acting debut as Raquel De Angellis in Living On Love. In April 2015, Caine appeared as the Mother Abbess in a production of The Sound of Music in Lebanon. The following year she performed the role in a UK tour of the show from July-September 2016. Caine appeared at the Sheffield Crucible in the world premiere of the new musical Flowers for Mrs Harris in the role of Lady Dant/Mme. Colbert from May to June 2016. In addition to her work with opera and theatre companies, Caine continues to perform concerts and solo cabaret performances throughout Britain and North America. Caine has also taught for multiple years at Trinity Laban