I Can't Tell You Why song title page |
| red # = weekly rock chartblue # = pop chart |
| 1 | I Can't Tell You Why | 9 | 3 | Apr 1980 |
| Eagles |
 |  |
| 2 | I Can't Tell You Why | Mar 1991 |
| Howard Hewett |
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| 3 | I Can't Tell You Why | Aug 1995 |
| Brownstone |
| | |
| 4 | I Can't Tell You Why | Jul 2013 |
| The Swon Brothers |
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