Germany's Greiz is where Sala was born in 1910. He studied the piano and organ as a youth and gave classical piano recitals. He was approved to study piano and composition at the Berlin Conservatory in 1929.

Sala was enthralled by the technology when he first heard the monophonic instrument, which can only create one note at once. His life's work, according to the Doodle for today, "become mastering and developing the trautonium, which inspired his studies in physics and composition at school."

Sala created his own instrument, the mixture-trautonium, which could play multiple melodic lines at once, after being inspired by Dr. Friedrich's research. Sala's electronic music became distinct from that of his contemporaries because to this creation.

Sala had discovered his specialty. Between 1932 and 1935, while pursuing his studies in physics at the University of Berlin, he contributed to the creation of a novel variety of Trautonium called the Volkstrautonium. He created the Concert Trautonium, a portable version, in 1935.