Twenty 1 is the seventeenth studio album (and twenty-first overall) by the american band chicago. Released on january 29, 1991, it was their first album of the 1990s. Twenty 1 spent eleven weeks on the american billboard 200, peaking at position no. 66, And did not chart in the uk. The production of twenty 1 saw a significant personnel reconfiguration.

The recent departure of founding drummer danny seraphine had made way for the band;s ;great new drummer; tris imboden. Session player john keane played the majority of this album;s drum tracks. Their touring guitarist since 1986, dawayne bailey, performed as an extra guitarist for twenty 1s sessions.

Cassette and fold out bookler in VG condition