Karolína Hurayová performed as a soloist as well as in chamber and orchestral ensembles in various concerts at home and abroad (in Czech Republic, Hungaria, Austria, Netherlands, Serbia, Slovenia, France, Germany, Italy, Japan, China, Indonesia).
She was a member of several orchestras (among others Slovak National Theatre Opera Orchestra, Slovak Philharmonic, Youth Euphony Orchestra, Webern Sinfonietta, Bohuslav Martinů Philharmonic Orchestra Zlín, Wiener Symphoniker – short-term cooperation), as well as chamber ensembles, e. g. Quartetto con Fuoco string quartet, piano trio at the University of Music and Performing Arts in Vienna (Lenka Matějáková – violin, Simeon Gosheff – piano), Camerata Polonia chamber orchestra, and string quartet Symphonic News Quartet.
She is a permanent member and soloist of the Chamber Orchestra ZOE, a member of Classic Chamber Orchestra, and also performs regularly in a chamber duo with violist Lukáš Kmiť. Other activities in the field of chamber cooperation: Bogacz Trio (with Pavel Bogacz – violin, Zuzana Králiková Pohůnková – piano), piano trio (with Juraj Pivoluska – clarinet, Alena Hučková – piano), violoncello duo (with Catherine Kozelková).
At present she is a member of several orchestras (Slovak Philharmonic, Slovak National Theatre Opera Orchestra, Bohuslav Martinů Philharmonic Orchestra Zlín).