part(redirected from on their part)
Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Idioms.
(1) A component of an orchestral, musical-dramatic, or ensemble work intended for performance by a particular voice or musical instrument. In opera, there are two ways of designating solo vocal parts: by the type of voice (for example, soprano part, bass part) and by the name of the hero of the opera (for example, the part of German in Tchaikovsky’s The Queen of Spades).
(2) A section of the exposition (and recapitulation) in the sonata form.