"Guitarist and instrument were able to bring almost visceral evocations of these places of guitar ancestry into the hall." - Rick Justice, Charleston Daily Mail – commenting on Robert’s performance of Isaac Albeniz's Suite Espanola Op. 47. Read full review.

"... 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  Read full review.

"Robert Gruca is one of the most talented guitarists of his generation. A sensitive and refined musician, his virtuosic technique is always at the service of his musical expression. A player to watch." -John Holmquist, Cleveland Institute of Music

"Robert is one of the most talented guitarists I've had the pleasure to work with. He has a bright future in the classical guitar scene." -Jason Vieaux, Cleveland Institute of Music

"Your program had a lot of variety in repertoire, and showcased the guitar’s ability to produce a wide spectrum of moods and colors. You are a master of musical spaciousness, and clearly in control of the instrument while you connect your soul to the music you are producing." -Jim McCutcheon, President Dayton Classical Guitar Society

"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

"Robert Gruca gave a fantastic concert for the Columbia Guitar Society. His program was varied and enjoyable, and the audience was truly impressed by his musicianship and fluent virtuosity. A performance by Gruca would be a highlight to any music series." -Jeff Harris, Columbia Guitar Society

"Guitarist Robert Gruca is one of the fresh new faces on the classical music scene bringing passion and artistry to his performance." -Thomas Brown, Times and Democrat, March 2005

"He is a wonderful and engaging performer." -Beth Thomas, Director Orangeburg County Fine Arts Center, Times and Democrat, March 2005