Not in the correct musical pitch.
Synonyms: off-key, pitchy
Antonym: in tune
The violins go out of tune in damp weather.
By the end of the song, I was completely out of tune with the guitar.
(figuratively) Not in agreement or in harmony (with something).
Synonym: out of step
The party’s social policy is out of tune with the values of most citizens.
Through pride we are ever deceiving ourselves. But deep down below the surface of the average conscience a still, small voice says to us, something is out of tune. Carl Jung
Harpists spend 90 percent of their lives tuning their harps and 10 percent playing out of tune. Igor Stravinsky
I've performed solo for 20 years now, but I don't do much of it, because if you only play alone, you go crazy and out of tune and play foolish music. Steve Lacy
He was out of tune with what a younger generation of poets were writing, and railed against the shallowness and commercialisation of the modern world, from his fastness: a farmhouse surrounded by orchards in Middleton, Suffolk. Michael Hamburger
I keep guitars that are, you know, the neck's a little bit bent and it's a little bit out of tune. I want to work and battle it and conquer it and make it express whatever attitude I have at that moment. I want it to be a struggle. Jack White
Alas! all music jars when the soul's out of tune. Miguel de Cervantes