Old Italian composer finally prepared and cooked too much?

• Put a little too much effort into
• Went too far with
• Carried to excess
• Went to too many extremes
• Went too far
• Part of Nabucco Verdi definitely exaggerated
• Worked too hard, ... it

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Overdo \O`ver*do"\, v. t. [imp. Overdid ; p. p. Overdone ; p. pr. & vb. n. Overdoing .] To do too much; to exceed what is proper or true in doing; to exaggerate; to carry too far. Anything so overdone is from the purpose of playing. --Shak. To overtask. ...

WordNet Word definitions in WordNet
See overdo

Wiktionary Word definitions in Wiktionary
vb. (en-simple past of: overdo )