Chicago is an American band formed in 1967 in Chicago Illinois. The band started out as The Big Thing with six members — Danny Seraphine, James Pankow, Lee Loughnane, Robert Lamm, Terry Kath, and Walter Parazaider.

If You Leave Me Now” was led by Peter Cetera in the key of B major (B).

The Greatest Love On Earth,” from the 1978 “Hot Streets” studio album, was led by Peter Cetera in the key of A sharp major or B flat major (A# | Bb).

Hard To Say I’m Sorry” was led by Peter Cetera in the key of E major (E).

Hard Habit To Break” was led by Peter Cetera and Bill Champlin in the key of F sharp major or G flat major (F# | Gb).

For the official website, see Chicago.


In 1968, The Big Thing became the Chicago Transit Authority after adding tenor vocalist and bassist, Peter Cetera.

In 1985, Peter Cetera left Chicago, the band, and started a successful solo career.


1969: Chicago 1 – Chicago Transit Authority
1970: Chicago 2 – Chicago
1971: Chicago 3
1971: Chicago 4 – At Carnegie Hall
1972: Chicago 5
1973: Chicago 6
1974: Chicago 7
1975: Chicago 8
1975: Chicago 9 – Greatest Hits 1
1976: Chicago 10
1977: Chicago 11
1978: Hot Streets
1979: Chicago 13
1980: Chicago 14
1981: Chicago 15 – Greatest Hits 2
1984: Chicago 16
1984: Chicago 17

2003: Soundstage

Peter Cetera

@ Wikipedia

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Go to Chicago Songs.