unmusically

/ʌnˈmjuːzɪkli/
adverb
  1. In a way that is not pleasant or harmonious to hear; lacking musical quality.
    • The old piano was so out of tune that it sounded unmusically no matter what was played.
    • He tapped the table unmusically, creating an annoying rhythm instead of a melody.
    • She sang unmusically, hitting notes that made the audience cringe.
Antonyms
What does "unmusically" mean? | whatsthatwordmean | whatsthatwordmean