Chicago discography Singles Singles

| Year_ | Title | US_100 | US_AC | Lead_singer | Album | Label_and_cat_ |
|---|---|---|---|---|---|---|
| July 1969 |  Questions 67 and 68  | 71 | — | Cetera / Lamm | The Chicago Transit Authority | Columbia 44909 |
| Oct. 1969 |  Beginnings  | — | — | Lamm | The Chicago Transit Authority | Columbia 45011 |
| March 1970 |  Make Me Smile  | 9 | — | Kath | Chicago II | Columbia 45127 |
| June 1970 |  25 or 6 to 4  | 4 | — | Cetera | Chicago II | Columbia 45194 |
| Oct. 1970 |  Does Anybody Really Know What Time It Is?  | 7 | 5 | Lamm | The Chicago Transit Authority | Columbia 45264 |
| Feb. 1971 |  Free  | 20 | — | Kath | Chicago III | Columbia 45331 |
| April 1971 |  Lowdown  | 35 | — | Cetera | Chicago III | Columbia 45370 |