Connect the device to your computer then go to "Edit preferences">"Devices" select the device in the list and click "Configure" in there you will find options to sync the music to the specific device folder ("Settings">"Media Storage music files") and you can edit it so all songs would go in one folder.
As for the tagged correctly that entirely depends on if they are tagged correctly in your library already, if they are then the tags will be fine, if not they won't be.
Topic: How do i sync with a device so all my songs are in 1 folder and tagged correctly (Read 810 times)