Does 'Contact my office in the fall for the schedule and listing of this years' artists.' exist in a separate context from 'If you don't contact us by the fall, you will have no idea what artists are scheduled for this year.', without logical interdependence?
Contact my office in the fall for the schedule and listing of this years' artists.###If you don't contact us by the fall, you will have no idea what artists are scheduled for this year.