obbligato
US /ˌɑːb.ləˈɡɑː.t̬oʊ/
UK /ˌɑːb.ləˈɡɑː.t̬oʊ/

1.
obbligato, acompañamiento obligado
a musical accompaniment that is essential and not to be omitted
:
•
The flute played an exquisite obbligato throughout the aria.
La flauta tocó un exquisito obbligato durante toda el aria.
•
The violin part is an obbligato, crucial to the harmony.
La parte del violín es un obbligato, crucial para la armonía.
1.
obligado, esencial
(of a musical part) essential and not to be omitted
:
•
The cello has an obbligato role in this movement.
El violonchelo tiene un papel obligado en este movimiento.
•
The composer marked the trumpet line as obbligato.
El compositor marcó la línea de la trompeta como obligada.