Domantas is a pianist who was born in Lithuania. He started his music studies at the age of 4 at the Kaunas Music School. In 2008 he enrolled at the M.K. Ciurlionis National School for the Arts in Vilnius to study piano with Gabriele Kondrataite and Aidas Puodziukas. After a year of study at the Lithuanian Academy of Music and Theatre, he transferred to the Bard College Conservatory in NYC where he was awarded the Toni and Martin Sosnoff Scholarship at the Bard College Conservatory of Music, to study piano with Peter Serkin. In May, 2018 Karalius graduated from Bard College with Bachelor of Music degree in Piano Performance and Bachelor of Arts degree in Art History and Criticism. In May, 2020 Domantas graduated with Master of Music degree in Piano Performance with Olga Kern at Manhattan School of Music.
Domantas is fluent in English and Lithuanian.