[1][2] De Eusebio initially trained as a pianist and conductor in Spain with further courses at the Franz Liszt Academy of Music and the Mozarteum University of Salzburg.
De Eusebio also studied in the United States as a Fulbright Scholar in Dallas with Joaquín Achúcarro (piano), and conducting.
[6] A specialist in the operatic works of Isaac Albéniz, Eusebio is the editor of the critical editions of the scores for Merlin, Henry Clifford, Pepita Jiménez and San Antonio de la Florida.
[7] On 24 January 2009, he conducted the world premiere performance of Henry Clifford with its original English libretto (Auditorio Alfredo Kraus, Las Palmas de Gran Canaria).
[8] He was one of the classical musicians, and the only Spaniard, who performed in LA at the America: A Tribute to Heroes after the September 11 attacks.