I Know Why
: The Glenn Miller OrchestraDate: 1941
Comment:
[Bluebird 11230]
written by Mack Gordon & Harry Warren
| Chart | Debut date | Peak pos. |
|---|---|---|
| US | 18 |
 |  |  |
| The Glenn Miller Orchestra singles chronology | ||
|---|---|---|
| I Guess I'll Have to Dream the Rest (1941 • 261 pts) | I Know Why (1941 • 99 pts) | I'm Thrilled (1941 • 109 pts) |
| The Glenn Miller Orchestra singles by points | ||
|---|---|---|
| Ding-Dong! The Witch Is Dead (1939 • 99 pts) | I Know Why (1941 • 99 pts) | It Happened in Sun Valley (1941 • 99 pts) |
| Song versions | |||
|---|---|---|---|
1941 • The Glenn Miller Orchestra  • I Know Why |  | ||
| 1941 • Richard Himber & His Orchestra • I Know Why (And So Do You) | | ||