Ivaylo Koychev was born in Plovdiv, Bulgaria in 2001. He started playing marimba instrument at the National School for Music and Dance when he is 6th years old in the class of Maestro Pencho Penchev. 2010 he moved to leave Japan. He graduated from the Hyogo Prefectural Nishinomiya High School – musical class 35th class. Currently he is studying percussions at the Kyoto City University of Arts. 2019 – 29th Japan Classic Music Competition – 1st prize percussion section for High School Students. He played in the Gala Concert of this Competition with Orchestra at the Suginami Koukaido Big Hall – Tokyo. 2020 – Got Hyogo Uzuriha Award. 2021 – 26th Kobe International Music Competition Percussion Section – Awarded “Outstanding Performance” and win the prize of the Kobe Educational Committee.