Born in Cañada-Alicante, Spain, in 2004, Mar Sanjuán Aparicio began her musical studies in her hometown, starting with piano at the local music school. She later continued her training at the “Ana María Sánchez” Conservatory in Elda (Alicante), where, at the age of 12, she also began studying French horn with Professor José Antonio Antolín Polo. She furthered her education at the Brass Academy Alicante, studying for one year with Nury Guarnaschelli. In 2022, she began her Bachelor's Degree at the Hochschule für Musik und Theater Hamburg under the guidance of Professor Szabolcs Zempléni. She is currently continuing her Bachelor's studies with the same professor at the Universität der Künste Berlin.