off-key

the singer's performance was a bit off-key last night.

his piano playing sounded completely off-key and jarring.

the choir sounded off-key during the complicated harmony.

she tried to sing along, but she was terribly off-key.

the instrument was slightly off-key, affecting the overall sound.

the band's rendition of the song was noticeably off-key.

he realized his voice was off-key when he started recording.

the off-key notes made the melody sound unpleasant.

despite practicing, her singing still came across as off-key.

the out-of-tune guitar made the entire performance off-key.

the recording engineer noticed the vocals were consistently off-key.