Watch Liza Flume perform an acapella marooned on a rock in Blessington Lake by Nialler9 Tuesday, June 30, 2015 Liza Flume marooned herself willingly on a rock on Blessington Lake to perform ‘Sleepless Nights’ for Knockanstockan, which happens on July 24th and 25th next month. ArtistsLiza Flume Lethal Dialect – ‘New Dublin Saunter’ Previous Article Listen to a David Geraghty track from the score to Irish film You’re Ugly Too Next Article