| recordings |
|---|
| 1945 | I Guess I'll Have to Change My Plan | instrumental | Art Tatum | 2:23 |
| 1946-05-23 | I Guess I'll Have to Change My Plan | instrumental | Johnny Mercer | 2:42 |
| 1946 | I Guess I'll Have to Change My Plans | instrumental | Hazel Scott | 3:26 |
| 1952-12-09 – 1952-12-10 | I Guess I’ll Have to Change My Plan | | Fred Astaire & Jack Buchanan | 1:50 |
| 1953-12-04 | I Guess I'll Have to Change My Plan | instrumental | Bud Freeman | 2:38 |
| 1953 | New Sun in the Sky / I Guess I’ll Have to Change My Plans | | India Adams / Fred Astaire & Jack Buchanan | 2:39 |
| 1956-01-27 | I Guess I'll Have to Change My Plans | instrumental | Art Tatum | 3:41 |
| 1956-01-27 | I Guess I’ll Have to Change My Plans | instrumental | Art Tatum, Red Callender & Jo Jones | ?:?? |
| 1956-11-20 | I Guess I’ll Have to Change My Plan | cover | Frank Sinatra | 2:24 |
| 1957-12 | I Guess I'll Have to Change My Plan | | Annie Ross & Gerry Mulligan | 2:26 |
| 1958-07 | I Guess I’ll Have to Change My Plan | | Julie London | 1:50 |
| 1959-01 | I Guess I’ll Have to Change My Plans | cover | Tony Bennett, Count Basie and His Orchestra | 1:40 |
| 1959-01 | I Guess I’ll Have to Change My Plans | cover | Count Basie and Tony Bennett | 1:43 |
| 1975-01-08 – 1975-01-09 | I Guess I'll Have to Change My Plan | | Arthur Schwartz | 3:00 |
| 1977-07 | I Guess I'll Have to Change My Plan | cover | Jonathan Schwartz | 2:28 |
| 1984 | I Guess I'll Have to Change My Plan | instrumental | The Charlie Byrd Trio | 4:11 |
| 1997-01-04 | I Guess I'll Have to Change My Plan | instrumental | Tony Coe and Alan Barnes | 6:46 |
| Guess I'll Have to Change My Plan | live | Liza Minnelli | 2:09 |
| I Guess I Have to Change My Plan | cover | Tony Bennett | 1:43 |
| I Guess I Have to Change My Plans | instrumental | Art Tatum | 2:27 |
| I Guess I'll Have to Change My Plan | | Frank Sinatra | 2:24 |
| I Guess I'll Have to Change My Plan | | Polly Bergen | 2:47 |
| I Guess I'll Have to Change My Plan | | Bobby Darin | 2:09 |
| I Guess I'll Have to Change My Plan | instrumental | Dave McKenna | 3:13 |
| I Guess I'll Have to Change My Plan | instrumental | Billy May & His Orchestra | 2:56 |
| I Guess I'll Have to Change My Plan | instrumental | Herb Geller | 6:04 |
| I Guess I'll Have to Change My Plan | | John Pizzarelli | 2:27 |
| I Guess I'll Have to Change My Plan | | Pat O'Day | 2:40 |
| I Guess I'll Have to Change My Plan | | Teddi King | 2:44 |
| I Guess I'll Have to Change My Plan | | Bing Crosby | 2:32 |
| I Guess I'll Have to Change My Plan | | Ambrose and His Orchestra | 3:04 |
| I Guess I'll Have to Change My Plan | cover and live | Mel Tormé | 4:45 |
| I Guess I'll Have to Change My Plan | | Glenn Miller & His Orchestra | ?:?? |
| I Guess I'll Have to Change My Plan | | Count Basie | 1:43 |
| I Guess I'll Have to Change My Plan | instrumental | Lester Young | 9:26 |
| I Guess I'll Have to Change My Plan | | Frank Sinatra | 2:27 |
| I Guess I'll Have To Change My Plan | | Glenn Miller and His Orchestra featuring Marion Hutton | ?:?? |
| I Guess I'll Have to Change My Plans | | Frank Sinatra | 2:24 |
| I Guess I'll Have to Change My Plans | | Hal Kemp and His Orchestra | 1:44 |
| I Guess I'll Have to Change My Plans | instrumental | Art Tatum | 2:18 |
| I Guess I'll Have to Change My Plans | | Bobby Darin | 3:12 |
| I Guess I'll Have to Change My Plans | | Kay Starr | 3:10 |
| I Guess I'll Have to Change My Plans | | Gerry Mulligan Quartet | 2:25 |
| I Guess I'll Have To Change My Plans | | Gerry Mulligan | 2:25 |
| I Guess I'll Have To Change My Plans | | Frank Sinatra | 2:23 |
| I Guess I’ll Have Co Change My Plans | cover | Tony Bennett | 1:43 |
| I Guess I’ll Have to Change | cover | Tony Bennett | 1:41 |
| I Guess I’ll Have to Change My Plan | cover | Tony Bennett | 2:48 |
| I Guess I’ll Have to Change My Plan | | Frank Sinatra | ?:?? |
| I Guess I’ll Have to Change My Plan | cover | Seth MacFarlane | 3:40 |
| I Guess I’ll Have to Change My Plan | cover | Tony Bennett | 1:42 |
| I Guess I’ll Have to Change My Plan | cover | Count Basie and Tony Bennett | 1:44 |
| I Guess I’ll Have to Change My Plan | | Frank Sinatra | 2:25 |
| I Guess I’ll Have to Change My Plan | | Frank Sinatra | 2:27 |
| I Guess I’ll Have to Change My Plan | cover | Tony Bennett | 2:46 |
| I Guess I’ll Have to Change My Plan | cover | Tony Bennett | 1:44 |
| I Guess I’ll Have to Change My Plan | cover | Tony Bennett | 1:43 |
| I Guess I’ll Have to Change My Plan | cover | Tony Bennett | 1:42 |
| I Guess I’ll Have to Change My Plan | cover | Tony Bennett | ?:?? |
| I Guess I’ll Have to Change My Plan | cover | Tony Bennett | 1:33 |
| I Guess I’ll Have to Change My Plan | cover | Tony Bennett feat. Count Basie & His Orchestra | 1:42 |
| I Guess I’ll Have to Change My Plan | cover | Tony Bennett & Count Basie | 1:43 |
| I Guess I’ll Have to Change My Plan | cover | Tony Bennett & Count Basie | 1:44 |
| I Guess I’ll Have to Change My Plan | | Ted Straeter | 2:32 |
| I Guess I’ll Have to Change My Plan | | Stacey Kent | 2:37 |
| I Guess I’ll Have to Change My Plan | cover | Stacey Kent | 2:37 |
| I Guess I’ll Have to Change My Plan | | Frank Sinatra | 2:23 |
| I Guess I’ll Have to Change My Plans | cover | Bob Dylan | 2:27 |
| I Guess I’ll Have to Change My Plans | cover and live | Tony Bennett | 1:41 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:44 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | ?:?? |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:42 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:43 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:42 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:43 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:42 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett with The Count Basie Band | 1:42 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:42 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:43 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennet | 1:42 |
| I Guess I’ll Have to Change My Plans | cover | Count Basie and Tony Bennett | 1:41 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett with Count Basie & His Orchestra | 1:42 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett & Count Basie Big Band | 1:44 |
| I Guess I’ll Have to Change My Plans | cover | Count Basie and Tony Bennett | 1:44 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:43 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:43 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | ?:?? |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | ?:?? |
| I Guess I’ll Have to Change My Plans | cover and instrumental | Corin Stannard Trio | 3:51 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:43 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett | 1:43 |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett & Count Basie | ?:?? |
| I Guess I’ll Have to Change My Plans | cover | Tony Bennett with the Count Basie Orchestra | 1:42 |
| I Guess I’ll Have to Change My Plans | | Frank Sinatra | 2:25 |
| I Guess I’ll Have to Change My Plans | cover | Count Basie and Tony Bennett | 1:42 |
| I’ll Guess I Have to Change My Plans | | Tony Bennett | 1:44 |
