Patrick Cassidy is an Irish orchestral, choral, and film score composer.
Cassidy was born in Claremorris, County Mayo, Ireland. He received a Master's Degree in Applied Mathematics from Limerick University, and supported his early compositional activities with a day job as a statistician.
He is best known for his narrative cantatas – works he has written for orchestra and choir based on Irish mythology. The Children of Lir, released in September 1993, remained at number one in the Irish classical charts for a full year. It was the first cantata ever written in the Irish language. The BBC later produced an hour long documentary on the piece. Famine Remembrance, a commissioned piece to commemorate the 150th anniversary of the Irish Famine, was premiered in New York's St. Patrick's Cathedral in 1996. In June 2007, the piece was performed at the opening of Toronto's Ireland Park with the President of Ireland as special guest.
Other albums include Cruit (arrangements of 17th- and 18th-century Irish harp music with Cassidy as the soloist) and Deirdre of the Sorrows, another cantata in the Irish language, recorded with the London Symphony Orchestra and the Tallis Choir. In 2004, Immortal Memory was released; a collaboration between Cassidy and Lisa Gerrard.
Cassidy now lives in Los Angeles with his family, where in addition to his concert work he has scored and collaborated on films and documentaries. He is uncle to the singer Sibéal Ní Chasaide who sang his arrangement of Patrick Pearse's Mise Eire at the official government commemorations of the 1916 Rising.
Notable credits include
In 2010, Cassidy's Funeral March was used in the trailer for The Tree of Life. In 2011, he recorded a new setting of the Latin mass with the London Symphony Orchestra and London Voices.