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The Jonas Brothers' fall tour, set to start Friday, has been scrapped over musical disharmony within the group.

Confirming the news of the cancelled dates, Angela Burke of Derris & Company told USA TODAY, "This stems from creative differences."

After headlining a successful summer tour, brothers Nick, Joe and Kevin scheduled 19 dates through Nov. 6 and promised a set list with songs from upcoming albumV. That release may now be in jeopardy.

An argument over the weekend prompted the tour's demise,according toPeoplemagazine.