Last night two Tait awardees; Lauren Fagan, Soprano 2013 and Lauren Zolezzi, Soprano 2012 sang the lead roles in the Guildhall School of Music & Drama double bill at the Silk Street Theatre, The Barbican. Lauren Fagan appeared first in Debussy’s l’enfant prodigue. Her singing was of the highest standard, ravishing tone and an impeccable…