Benas Jonušas is studying at the Lithuanian Academy of Music and Theatre (LAMT), in the organ class of Prof. Renata Marcinkutė-Lesieur. He has been playing piano since the age of six, studied at the M. K. Čiurlionis School of Arts with teachers E. Jurkevičiūtė-Navickienė and E. Žarskų, and from the ninth grade he switched to composition and moved to the class of Prof. Rytis Mažulis. The last two years of his studies were completed at Chetham's School of Music in Manchester in the classes of Jeremy Pike and Ian Stephens. He studied at the Mozarteum in Salzburg under the Erasmus exchange programme, with prof. Hannfried Lucke, as well as masterclasses in the Netherlands, Italy, Austria and Liechtenstein with Theo Jellema, Dan Lonnqvist, Angelo Castaldo, Matthias Maierhofer, Maciej Zakrzewski and Aapo Häkkinen.
Jonušas has given organ concerts in Vilnius at St. He has also held organ concerts at St. Casimir's, Sts. Peter and Paul, the Saviour (Joanites) and St. Peter and Paul. He has also performed in the churches of St. John and St. John, St. John and St. John the Baptist, St. Mary's and St. Mary's Assumption, as well as in the J. Karosa Hall of the LAMT, the Cathedral in Salzburg, and the Mozarteum in the Solitär hall. He also performs on harpsichord and piano, and at the Mozarteum he studied clavichord with Prof. F. Birsak-Hayer.