Roman Maciejewski was born in 1910 in Berlin. His mother, a music teacher, fostered his musical interests. As a little boy he attended the conservatory of J. Stern in Berlin. Later on, he studied in a conservatory in Poznan, where he obtained a diploma of piano specialisation. The 18year old Maciejewski, recommended by Stanislaw Wiechowicz became the head of the Stanislaw Moniuszko Choir of Poznan, with which he gave concerts in Poland and abroad. He transferred to study composing at Warsaw Academy of Music, where he was a student of Kazimierz Sikorski.