Music that sounds wrong is read as disharmony — something in a relationship or plan that does not fit. Dream tradition sees it as a gentle cue to notice where you feel out of step.
Where in your waking life have you met something like this lately?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.