he received his first piano lessons at the age of six at the music school for the highly gifted in his hometown of Târgu Mureș.
At a young age, he gave his first concerts on Romanian radio and television and was invited to record in studios.
While still at grammar school, he was a junior student in Pavel Gililov's class at the Hochschule für Musik und Tanz Köln.
He laid the foundation for his career as a concert pianist by participating in international master classes (1986-1994) with Zoltán Kocsis, György Cziffra, Eliza Hansen, Christoph Eschenbach, Karl-Heinz Kämmerling and Rudolf Buchbinder, among others.
[citation needed] In addition to chamber music and song accompaniment recitals in German concert halls, Grauer performed in other European countries, in America and in Asia.