The British Phonographic Industry (BPI) is investigating allegations of an extensive illegal music filesharing ring at a Honeywell plant in Scotland.Investigators from the BPI raided the plant in Motherwell with police officers at 0840 BST yesterday morning.The investigators made copies of the contents of computers for detailed forensic analysis.Honeywell said that it was cooperating fully with both the police and the BPI over the investigation.Legal boundariesThe BPI says the raid follows a two-month investigation prompted by a tip-off from a Honeywell employee.The BPI said the information from the insider pointed to "thousands of music files being shared illegally".This is the first time that the BPI has raided a business in pursuit of illegal music filesharing. Previous such raids have concentrated on domestic filesharing.It is illegal to copy and distribute songs on an internal company computer network but no company has yet been prosecuted due to such activites taking place on its premises