At St Patrick's Cathedral in Dublin, a very special rehearsal is taking place.
The boys of the St Patrick's Cathedral Choir are singing with Ukranian soprano Olga Chubareva.
A star in her own country, Olga is known as 'Lady Opera' and was named 'People's Artist of Ukraine', but when war broke out Olga, who has a home in Bucha, had to leave and is now staying with a family in Ireland.
Her hosts here heard about a concert by the St Patrick's Cathedral Choir in Dublin planned as a fundraiser for the Irish Red Cross and contacted the cathedral to tell them that Olga would like to be involved.
On Good Friday, she will sing a number of pieces with the choir including a Prayer for Ukraine, Myroslav Skoryk's Melody and Andrew Lloyd Webber’s Requiem Pie Jesu.
Speaking to RTÉ News, Olga said she was happy to be in Dublin and to have the opportunity to participate and support Ukraine.
She said she was very proud of her people and her country, and that as an opera singer and People's Artist of Ukraine she was very pleased to join the concert because everyone has to defend Ukraine on their own front.
Olga said she prays that Ukraine will make it through the war and that she will be able to go home.
The concert takes place on Good Friday evening at St Patrick's Cathedral.
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