"In Andrew Slater the Baritone solo part found an eloquent and powerful interpreter, his diction immaculate and his voice richly varied.  The composer would surely have admired this virile and sensitive performance by a remarkable young singer"  Belshazzar's feast RNCM. Daily Telegraph 1989

"Andrew Slater bidding a touching farewell to his coat was one of the evening's most affecting vocal moments" La Boheme ENO. The Independent 1994

"I have never before been so keenly aware of Faninal's panic in Act 2 as he sees Ochs insulted by Octavian and raves at his daughter Sophie for her behaviour ("you'll marry his corpse!"). An excellent performance by Andrew Slater. Der Rosenkavalier Scottish Opera.  Opera 1997

"Slater gives the evening's outstanding performance. His Golaud is both a murderous monster and a sympathetic, human figure. He is unable to comprehend the world of feeling inhabited by Mélisande, and is jealous of her love for Pelléas. He destroys first his young son and finally kills Pelléas, his half-brother. At the end, the symbolism of the production suffocates Golaud: Slater is slumped in an armchair, with the dead Mélisande under a sheet beside him. It is a dramatisation of Golaud's entrapment within the emotional world of the castle." Pelleas et Melisande GTO. Guardian 2004