Hailed for his 'palpable musical instinct and intelligence' (Catanduanes Tribune) and for 'producing a distinct sound' (Charles Castleman), Adrian Nicolas Ong had his orchestral debut at the age of 17 with the Philippine Philharmonic Orchestra (PPO) under the baton of Music Director, Maestro Yoshikazu Fukumura. He performed Saint-Saens' Introduction and Rondo Capricciioso.

In 2019, he performed Tchaikovsky's Violin Concerto with the ABS-CBN Orchestra under the baton of Maestro Gerard Salonga. Adrian has also collaborated with esteemed musicians Dr. Raul M. Sunico, Mary Anne Espina, Herminigildo Ranera and Victor Asuncion.