Chicago es, junto con Blood, Sweat & Tears (BS&T), la banda más representativa,1 y la más exitosa en términos comerciales,2 de lo que se dieron en llamar Big Bands de Rock. Se fundó en la ciudad de su mismo nombre, en 1967, aunque inicialmente se denominó "Chicago Transit Authority", nombre que debieron recortar por problemas jurídicos con la autoridad de transporte público de la ciudad. El grupo permanece activo en la actualidad.
| 1 | Oh, Thank You Great Spirit | Chicago VIII |
| 2 | Wishing you were here | Chicago: Greatest Hits |
| 3 | Saturday In The Park | If You Leave Me Now |
| 4 | Ballad for a Girl in Buchannon: Make Me Smile | Group Portrait |
| 5 | Ballet for a Girl in Buchannon: So Much to Say, So | Chicago II |
| 6 | (I've Been) Searchin' So Long | If You Leave Me Now |
| 7 | Ain't It Blue? | Chicago VIII |
| 8 | If She Would Have Been Faithful | Chicago 18 |
| 9 | Ballet for a Girl in Buchannon: To Be Free | Chicago II |
| 10 | Make Me Smile | The Very Best of Chicago: Only the Beginning |
| 11 | Ballet for a Girl in Buchannon: Anxiety's Moment | Chicago II |
| 12 | Holdin' On | Twenty 1 |
| 13 | You Come To My Senses | Twenty 1 |
| 14 | (I´ve been) Searchin´so long | Chicago: Greatest Hits |
| 15 | If It Were You | Twenty 1 |
| 16 | Ballet for a Girl in Buchannon: Make Me Smile | Chicago II |
| 17 | Poem for the People | Chicago II |
| 18 | Movin' On | Chicago II |
| 19 | Hard To Say I'm Sorry - Get Away | Chicago: Greatest Hits 1982-1989 |
| 20 | Poem 58 | Group Portrait |