Although the idea of becoming a professional musician himself was not on his mind at any time, among those with whom Einstein played chamber music were a few professionals, and he performed for private audiences and friends.
Meskipun ide menjadi seorang profesional sendiri tidak ada di pikirannya setiap saat, di antara mereka yang memainkan musik kamar dengan Einstein beberapa adalah profesional, dan ia tampil untuk pemirsa pribadi dan teman-teman.