Having graduated from the Conservatory in Brno where he had studied organ with Vratislav Bělský and composition with Jan Ducháň, Kšica continued his studies at the Music Faculty of the Academy of Performing Arts in Prague under Milan Šlechta and Jiřina Pokorná. He was also a student of Jaroslav Vodrážka's in organ improvisation.
From 1981 he was engaged as a répétiteur with the Prague Men's Choir led by Miroslav Košler. In the years 1985–1992 he was a member of the Prague Philharmonic Choir, with which he undertook numerous international tours, and participated in the recording of many notable music projects. In 1990 he founded the Prague Chamber Choir, remaining in charge of the ensemble for nine years in the position of choirmaster, organist, and répétiteur.
As a harpsichordist and organist he performed successfully at a number of festivals around the world (Cologne, Schleswig, Stuttgart, Salzburg, Pesaro, Palermo, Perth). He is the harpsichordist of the Ars Instrumentalis Pragensia ensemble that won the 1st prize and the gold medal at an international competition in Osaka, Japan, in 1996. Since 1999 he has held the positions of organist and choral director at St Vitus's Cathedral in Prague and conductor of the Prague Cathedral Choir. He participates in recordings of old Czech music (J. Zach, J. Ev. Koželuh, J. A. Sehling, A. Caldara, and others) for recording companies, broadcasting companies, and television.
Titles for hire:
Antonio Caldara: Dixit Dominus
Antonio Caldara: Gloria
Antonio Caldara: Missa Concertata
Giuseppe Sehling: Messe Pastorale
Giuseppe Sehling: Mottetto per la Nativita
Giuseppe Sehling: Offertorium ex A#
Giuseppe Sehling: Pastorella á basso solo
J. E. A. Koželuh: Litaniae De Beata
J. E. A. Koželuh: Messe Solennelle in D
