A feedback system configured for providing a feedback sound representative of a first vehicle sound of a first vehicle and a second vehicle sound of a second vehicle, the feedback system comprising: a first vehicle data bus of the first vehicle; a second vehicle data bus of the second vehicle; a first wireless communication device in communication with the first vehicle data bus, the first wireless communication device being at least one of a first transceiver and a first transmitter, at least one first sound sensor in communication with the first vehicle data bus and at least one second sound sensor in communication with the second vehicle data bus, the first sound sensor adapted to collect and provide a first vehicle sound which is at least one of ambient sound, engine sound and combine separator sound, and the second sound sensor adapted to collect and provide a second vehicle sound which is at least one of ambient sound, engine sound and combine separator sound, a second wireless communication device in communication with the second vehicle data bus, the second wireless communication device being at least one of a second transceiver and a second transmitter and configured to communicate the second vehicle sound; wherein the first wireless communication device is configured to communicate the first vehicle sound to a third wireless communication device which is at least one of a third transceiver and a third receiver and is configured to receive the first vehicle sound from the first wireless communication device and the second vehicle sound from the second wireless communication device; an electronic data processing system comprising the third wireless communication device; a sound integration module configured to form or determine the feedback sound from the first vehicle sound and the second vehicle sound; and a sound generator module configured to communicate the feedback sound to a user, the feedback system comprising a user interface which comprises speakers, the user interface in communication with the sound generator module; wherein the speakers of the user interface comprise a first speaker and a second speaker and that the user interface is configured to communicate the first vehicle sound through the first speaker and the second vehicle sound through the second speaker. a first vehicle data bus of the first vehicle; a second vehicle data bus of the second vehicle; a first wireless communication device in communication with the first vehicle data bus, the first wireless communication device being at least one of a first transceiver and a first transmitter, at least one first sound sensor in communication with the first vehicle data bus and at least one second sound sensor in communication with the second vehicle data bus, the first sound sensor adapted to collect and provide a first vehicle sound which is at least one of ambient sound, engine sound and combine separator sound, and the second sound sensor adapted to collect and provide a second vehicle sound which is at least one of ambient sound, engine sound and combine separator sound, a second wireless communication device in communication with the second vehicle data bus, the second wireless communication device being at least one of a second transceiver and a second transmitter and configured to communicate the second vehicle sound; wherein the first wireless communication device is configured to communicate the first vehicle sound to a third wireless communication device which is at least one of a third transceiver and a third receiver and is configured to receive the first vehicle sound from the first wireless communication device and the second vehicle sound from the second wireless communication device; an electronic data processing system comprising the third wireless communication device; a sound integration module configured to form or determine the feedback sound from the first vehicle sound and the second vehicle sound; and a sound generator module configured to communicate the feedback sound to a user, the feedback system comprising a user interface which comprises speakers, the user interface in communication with the sound generator module; wherein the speakers of the user interface comprise a first speaker and a second speaker and that the user interface is configured to communicate the first vehicle sound through the first speaker and the second vehicle sound through the second speaker.