What Is & What Should Never Be
Event Played
| Event |
Date |
Venue | City | Region | Country |
|---|---|---|---|---|---|
| Led Zeppelin | 06/06/1972 | Cobo Arena | Detroit | Michigan | USA |
| Robert Plant | 11/05/1993 | Fox Theatre | Detroit | Michigan | USA |
| Robert Plant | 11/06/1993 | Fox Theatre | Detroit | Michigan | USA |
| Page / Plant | 06/27/1998 | Palace of Auburn Hills | Auburn Hills | Michigan | USA |