| recordings |
|---|
| 1966-02-09 | I Know There's an Answer (instrumental stereo mix) | instrumental | The Beach Boys | 3:20 |
| 1966-02-09 – 1966-04 | I Know There’s an Answer | | The Beach Boys | 3:11 |
| 1966-02 – 1966-04 | I Know There’s an Answer | | The Beach Boys | 3:18 |
| 1966-02 – 1966-04 | I Know There’s an Answer | | The Beach Boys | 3:11 |
| 2004-01-25 – 2004-01-28 | I Know There’s an Answer | live | Brian Wilson | 3:04 |
| Beach Boys Cover | cover | Anthony Green | 2:59 |
| I Know There Is an Answer | live | Sonic Youth | 2:47 |
| I Know There's an Answer | | The Beach Boys | 3:10 |
| I Know There's an Answer | cover | Sonic Youth | ?:?? |
| I Know There's an Answer | | Sonic Youth | 3:03 |
| I Know There's an Answer | | Sonic Youth | 2:46 |
| I Know There's an Answer | cover | Mazarin | 3:22 |
| I Know There's an Answer | | The Beach Boys | 3:19 |
| I Know There's an Answer | | The Beach Boys | 3:18 |
| I Know There's an Answer | | The Beach Boys | 3:10 |
| I Know There's an Answer | cover | Sonic Youth | ?:?? |
| I Know There's an Answer | cover | Les Limiñanas | 2:28 |
| I Know There's an Answer | | The Beach Boys | 3:19 |
| I Know There's an Answer | | The Beach Boys | 3:18 |
| I Know There's an Answer | | The Beach Boys | 3:18 |
| I Know There's An Answer | | The Beach Boys | ?:?? |
| I Know There's An Answer | cover | Mazarin | 3:22 |
| I Know There's An Answer | | The Beach Boys | 1:52 |
| I Know There's An Answer | | The Beach Boys | 3:18 |
| I Know There's an Answer (1st vocal Insert attempts by Al) | | The Beach Boys | 9:24 |
| I Know There's an Answer (2nd vocal Insert attempts by Al) | | The Beach Boys | 11:05 |
| I Know There's an Answer (vocal insert attempts by Mike) | | The Beach Boys | 6:46 |
| I Know There's an Answer (vocal Insert attempts) | | The Beach Boys | 9:16 |
| I Know There's an Answer (vocal Insert attempts) | | The Beach Boys | 11:45 |
| I Know There's an Answer (vocal overdub) | | The Beach Boys | 3:30 |
| I Know There's an Answer (vocal overdub) | | The Beach Boys | 3:24 |
| I Know There's an Answer (vocal overdub) | | The Beach Boys | 3:30 |
| I Know There’s an Answer | | The Beach Boys | 3:10 |
| I Know There’s an Answer | | Sonic Youth | 3:10 |
| I Know There’s an Answer | cover | Sonic Youth | 3:05 |
| I Know There’s an Answer | | Beach Boys | 3:10 |
| I Know There’s an Answer | | The Beach Boys | 2:20 |
| I Know There’s an Answer | | The Beach Boys | 3:19 |
| I Know There’s an Answer | cover | Christian Bland & The Revelators | ?:?? |
| I Know There’s an Answer | | The Beach Boys | 3:17 |
| I Know There’s an Answer | cover and instrumental | Vitamin String Quartet | 3:24 |
| I Know There’s an Answer | | Brian Wilson | ?:?? |
| I Know There’s an Answer | | The Beach Boys | 3:20 |
| I Know There’s an Answer (alternate mix) | | The Beach Boys | 3:17 |
| I Know There’s an Answer (vocal only) | | The Beach Boys | 2:20 |
| I Know There’s an Answer (vocal session) | | The Beach Boys | 9:46 |
