THE PHILADELPHIA ORCHESTRA
“… in Bartók’s monstrously difficult violin concerto, Díaz … had the piece under his fingers as firmly and elegantly as Serkin had Mozart, or Heifetz had Tchaikovsky.”
PHILADELPHIA INQUIRER
WASHINGTON, D.C. RECITAL
“… put the viola in the hands of Roberto Diaz and any preconceptions evaporate within several measures … [he] surely made believers out of those at the Phillips Sunday afternoon.”
WASHINGTON POST
NASHVILLE SYMPHONY ORCHESTRA
“One couldn’t imagine a better performance than the one the NSO and its guest soloist, violist Roberto Diaz, delivered … Diaz proved to be a true musician-scholar. His performance was polished to perfection, and he imparted, in every note, a sense of urgency and emotion." [Jennifer Higdon Viola Concerto]
“After intermission, Diaz and NSO concertmaster Jun Iwasaki performed together as soloists in Mozart’s Sinfonia Concertante in E-flat major. [They] gave beautifully synchronized performances, each conveying a welcome degree of exuberance.”
NASHVILLE SCENE
KANSAS CITY SYMPHONY
"The Kansas City Symphony concluded my weekend with the extraordinary violist Roberto Díaz, whose Bartók Concerto displayed warmth and incisive detail. In the big Romantic tunes, Díaz' viola sang like the gutsiest of mezzo-sopranos, while the rapid filigree had a delicate sheen."
KANSAS CITY STAR
BUFFALO SYMPHONY ORCHESTRA
"The first half also had its brilliant moments, chiefly in the hands of violist Roberto Diaz, who just ripped wonderfully into the Bartók Viola Concerto."
BUFFALO NEWS
THE PHILADELPHIA ORCHESTRA
“Diaz went far beyond mere technical mastery and full-bodied tone and entered the rarer realm of artistry … [he] didn’t utter a single routine statement [Berlioz Harold in Italy].”
PHILADELPHIA INQUIRER
CD REVIEW
“… a rich, deep, mellifluous tone, impeccable intonation, an attractive, even vibrato, a nimble left hand, a smooth bow arm, and an excellent sense of timing and tempo. All these qualities make him a real star of his instrument …”
AMERICAN RECORD GUIDE