on a sour note (adjective) discordant: not in harmony; conflicting
Sinonime: abnormal,
celestial,
ghostly,
metaphysical, mysterious,
mystic,
occult,
phenomenal,
preternatural,
psychic,
spectral,
transcendental, uncomprehensible,
unearthlyAntonime: agreeable, agreeing, concordant, cooperating,
harmonious