Mozart was exemplified by the poor, starving artist who dies young.
Mozart exemplified the poor, starving artist who dies young.
Mozart was exemplified by the poor, starving artist who dies young.
Mozart exemplified the poor, starving artist who dies young.
When the verb "exemplify" is used in the active form, the example, the single case, is the subject, and the general category is the direct object. When it is used in the passive form, the general case is the subject, and the example is the object of the preposition "by." In this sentence, Mozart is the example, not the general case, so we need the active form, "Mozart exemplifies ..."