"Gruca shaped with a fine blend of subtlety, tonal beauty and vibrant attack." Donald Rosenberg, The Plain Dealer commenting on Robert's performance of La Catedral by Agustin Barrios Mangore.
"... it was dazzlingly performed [Roland Dyens' Tango en Skai] -- a great ending to an enjoyable night of fine music performed by a talented guitarist and musician [Robert Gruca]. -Kitchener-Waterloo Record
“Robert Gruca’s powerful confidence is all to the service of his musical brilliance. This is a major talent!” -Jhon Akers, Troubadour Series - Wofford College
“Robert Gruca is a wonderful guitarist. His interpretation of Koshkin's Usher Waltz was second to none.” -Brian Morris, Grand Rapids Community College International Guitar Series