Complex sentence: Ní Mhaonaigh previously performed two special concerts with long-time friends Moya Brennan, Maighread Ní Dhomhnaill and Tríona Ní Dhomhnaill in January 2008 at the Temple Bar TradFest, the second time the four musicians ever performed together.
Split into simpler sentences: Ní Mhaonaigh previously performed two special concerts with long-time friends Moya Brennan, Maighread Ní Dhomhnaill and Tríona Ní Dhomhnaill in January 2008 at the Temple Bar TradFest. It was the second time the four musicians ever performed together.