“Klasja Modrušan has demonstrated excellent vocal technique, sure intonation, excellent diction, and an expansive breath and phrasing in all the songs she performed with her reliable piano accompanist Gašparović. In this performance, she was able to realize full dynamic expression throughout her vocal range”
Snježana Miklaušić-Ćeran, Seven Days of Music, Croatian Radio, 13.04. 2014
''Soprano Klasja Modrušan attracted special attention with her captivating selection of works for her two-CD set entitled Visions, published in 2011 under the Cantus HDS label. Modrušan has demonstrated her vocal talents both as an opera and a concert singer, whose artistic standards are set high. These achievements deserve praise in all elements of singing Lied and intimate form of musical poetry'''
Z. Weber, Hrvatsko slovo, 05.01. 2012
“This double CD, which transcends ordinary discographic editions, would be difficult to surpass for its intelligence, beauty, and creativity. Such a lofty voice is a luxury in Central Europe. To nourish it requires great sacrifice and the freedom that is born of this sacrifice”
Đurđa Otržan, Cantus, 2011
“She has turned out to have chosen the right path and that she has matured. The noble cello, with which she began her career, has left its mark, both in the quality and color of voice and in her warmth of interpretation”
Višnja Požgaj, Cantus, December 2011
''Subtle soprano Klasje Modrušan excels in the song Josip Hatze to them - fascinating acoustics and the sound of his voice under the open sky - after lengthy applause added a lullaby''
Lea Hedžet, Primorske novice (Radio Koper), 02.08.2011.
''Within the soprano solo performances wheat Modrušan should particularly highlight its qualified safety and agility voice inside stylish demanding record Mozart's motet, particularly in the final extremely koloraturnoj Hallelujah, as well as the expression of calm with vocal lines Hatzeovih songs''
Zlatko Stahuljak, Vjesnik (Zagreb) – 08.08.2009.
''The very special guest at the evening with Zagreb guitar quartett () was Soprano Klasja Modrusan. Her powerfull voice has excellent fit in beside sounds of classical guitar, together they played composition from Hector Villa- Lobos “Bachiana Brasileiras nr. 5” (arr prof. Ante Cagalj) and “Samba per voce e chittare” Croatian’s contemporary composer Ivo Josipovic. Performance excellent musician is seeing off with applause and rapture''
M. Milli, Glas Istre (Pula) , 07. 08. 2008.
''The Croatian guests (Croatian Chamber Philharmonic) seasoned their zealous performance with rhythmic conciseness and nuance, and furthermore, Klasja Modrušan in Vivaldi's Cantata Soprano Klasja Modrušan shined with elegant coloratura''
Walther Neumann, Kleine Zeitung (Graz) - 11.12. 2007
''The appearance of the Slovakian "Cappella Istropolitana" under the direction of Robert Mareček brought the concert cycle called the Osijek Days of Baroque... Visitors to the completely filled the parish Church of St. Michael in Osijek's Tvrđa castle could enjoy the great technical artistry, high-quality sound, and faultless interpretation (arias from the opera Iphigenia in Aulide, Ignaz Pleyel) of soprano Klasja Modrušan''
Biljana Božić, Glas Slavonije (Osijek, Croatia), 30. 09. 2007
"It was a great pleasure to witness the vibrancy and creativity of Croatian soprano Klasja Modrusan as she toured the Midwest and the Eastern Seaboard of the United States... Her success as a performer once again confirmed that indeed she was a worthy recipient of IMCA's 2006 Prestige Award. Those that heard her recognied that she is an artist of great substance and promise"
Zvonimir Hacko, Artistic Director, International Music Center of America (IMCA), 2006
''In her role of Pamina, soprano Klasja Modrusan exhibited both a high degree of vocal refinement and poise, balanced acting, and demonstrating with her beautiful, bell-like voice that she is well deserving of the current challenge and new opportunities''
Višnja Požgaj, Vjesnik (Zagreb)
''Among the best aspects of this performance certainly must be included Klasja Modrusa, who, with her well developed and ringing soprano, played a beautiful role of Pamina''
Branimir Pofuk, Jutarnji list (Zagreb)
''This virtuoso motet (Exsultate, jubilate) which consists of two arias, a recitative, and ends with the well-known Alleluia was sung by the excellent Zagreb soprano Klasja Modrusan. Her masterful interpretation of the work with her colorful and sonorous voice elicited a thunderous applause and general admiration by the audience. Modrusan was in absolute control of this early Mozart work, written in a typical Italianate style''..
Domagoj Terzić, Glas Istre (Pula)
''In his work for the time of Christ, ''Dormi Jesu'' and ''Gospin laudate'', Boris Papandopulo presents considerable demands for the vocalist, in particular in respect to intonation and interpretation. These demands were easily mastered and the work was made her own by Klasja Modrusan; she further demonstrated her vocal capabilities in Schubert's Salve Regina''
Snježana Mikleušić-Ćeran, Fokus (Zagreb)
''What followed was Vivaldi's lengthy cantata ''Nula in mundo pax sincera'' which showcased singers' measured, technically superior negotiations of the highly demanding baroque coloraturas. Among the singers that in particular stood out was soprano Klasja Modrusan''
Nenad Turkalj, Vjesnik (Zagreb)
''Two Schubert works were sung by soprano Klasja Modrusan. Her interpretation of the «Salve Regina» was truly on a high artistic level. What she exhibited here was that magic union between the created and the interpreted, the complex yet perfect interplay between all the elements of her personal expressive, interpretative vision which proved faithful to her and the composer's musical invention''
Dodi Komanov, Vjesnik (Zagreb)
''The lyric color of voice, expressive stzle and interpretive concentration are naturally combined with the vocal romantic lyricism and its specific demands which show this young musician in the new light of her post-graduate studies''
Sanja Raca, Sedam dana glazbe (Hrvatski radio)
''After the break (Celloensemble, Zagreb) presented two works “Bachiana Brasileiras (H: V: Lobos) in their original scoring. One of the works (No. 5) which includes an obligato soprano, was heard in most beautiful rendition as sung by singer Klasja Modrusan''
Walther Neumann, Kleine Zeitung (Graz)
''Two Meditations on Marienlieder for Orchestra and Soprano by Stefan Kocsis ... the young Klasja Modrušan sung May the Lord Be Greeted with a beautiful, serene, and clear voice in the cathedral''
Miroslav Vuk, "Die Woche der Burgenlaendischen Kroaten", (Eisenstadt)
''Among the deeply envolved Dido and striking Aeneas, the performance (Dido & Aeneas) was carried by Klasja Modrušan as Belinda. This was a great success with the completely filled theatre''
Nenad Turkalj, Vjesnik (Zagreb)
''In the quartet vocal soloists (The Coronation Mass) even the most discerning would be thrilled by the beautifully homogenous voice of soprano Klasja Modrušan''
Jagoda Martinčević, Vjesnik (Zagreb)