Which of the following is the plural form of 'Opus'?

• Opus [singular]
English Meaning: a piece of music written by a particular musician and given a number relating to the order in which it was published:
Bangla Meaning: স্বতন্ত্র সাংগীতিক রচনা।

Example: Perhaps not every side of the composer is evident from the recorded opus.

• Plural form: Opuses or opera. 

Source: Cambridge Dictionary.