which met with positive reviews. Altan then went on hiatus. Some members released their debut solo album: Ciarán Tourish released Down The Line (2005), Dáithí Sproule released The Crow in the Sun (2007) and Mairéad Ní Mhaonaigh released Imeall (2009). 2009–2011: 25th anniversary In April 2009, Mairéad Ní Mhaonaigh announced that the band would be going into the studio in early May 2009 to record a new Altan album with the RTÉ Concert Orchestra just after a show on 7 May 2009 in Pornichet, France (near Saint-Nazaire). In July 2009, Ní Mhaonaigh announced that Altan would also release their first DVD as the video recording of a concert on 14 August 2009 in the National Concert Hall (NCH), Dublin, Ireland (again with the RTÉ Concert Orchestra). To commemorate their 25th anniversary, Altan released 25th Anniversary Celebration, a compilation album of studio re-recordings of previous material (plus one brand new song) with the contribution of the RTÉ Concert Orchestra. It was made available in January 2010 in Japan (where it had its launch in December 2009 during Altan's Winter 2009/2010 Japanese tour), in February 2010 in Ireland and UK and in March 2010 in North America. After a few European dates in January, February and April 2010 and an extensive 18-date (March to April) tour of the United States, Altan launched on 23 April 2010 in Dublin, Ireland their 14-date "25th Anniversary" tour of Ireland which would run from April to June. During Summer 2010, Altan took part in a few European festivals. A 10-date tour of UK and Ireland took place in September 2010. 2011–2014: Gleann Nimhe – The Poison Glen and touring From April 2011 to January 2012, Altan recorded a new studio album titled Gleann Nimhe – The Poison Glen. After celebrating the launch of the 18th Frankie Kennedy Winter School programme on 29 November 2011 by performing a show taking place during the Liffey Banks Sessions at The Grand Social, Dublin, Ireland, Altan celebrated the New Year 2012, then forthcoming release of their new studio album Gleann Nimhe – The Poison Glen on the occasion of their performance on 1 January 2012 at Scoil Gheimhridh Frankie Kennedy, Ionad Cois Locha, Gweedore, County Donegal, Ireland during which they played some new tracks from it. Exactly seven years after Local Ground, Altan released Gleann Nimhe – The Poison Glen, their new studio album of original material, on Compass Records