This is a very basic tutorial on disassembly of a Seydel chromatic Deluxe. Nothing too new or surprising, but it might help some. https://www.youtube.com/watch?v=3IVYJWOci6Y *Greg Jones* *16:23 Custom Harmonicas* *(210) 445-6600* Web Site: 1623customharmonicas.com Seydel Repair: http://1623customharmonicas.com/repair-services/