oversing

over- +‎ sing

oversing (third-person singular simple present oversings, present participle oversinging, simple past oversang, past participle oversung)

1. To sing with too much effort or embellishment.
   • 2009 February 8, Jon Caramanica, “Voices Newly Amplified by Grammy Nominations”, in New York Times‎:

     Though his songs are hugely ambitious — the majestic bombast of “Llueve Por Dentro,” or the blithe, sinuous dance-pop of “La Mentira” — Mr. Fonsi never oversings them, an impressive demonstration of restraint.

• envigors, servoing, sign over