Konstantinos Vlachos was born in Ithaca in 2003. His relationship with music began at the Ithaca Philharmonic Band. In 2019, he began studying classical trombone with Spyridon Vergis.

He continued his studies at the Department of Music at the Ionian University, specializing in jazz trombone performance.

During the 2025–2026 academic year, he studied at the University of Music and Performing Arts Graz (Kunstuniversität Graz) in Austria through the Erasmus programme, under the guidance of trombonist Louis Diego Bonilla. During his time there, he collaborated with numerous musicians and performed at various venues.

Upon returning to Greece, he became more actively involved in Athens’ jazz and improvisational music scene.