original members:  ROBERT LAMM (1967-present) - vocals, keyboards, percussion,  TERRY KATH (1967-1978) - vocals, guitar, percussion, bass (1/12, 1/15),  PETER CETERA (1967-1985) - vocals, bass,  DANNY SERAPHINE (1967-1990) - drums, percussion,  LEE LOUGHNANE (1967-present) -trumpet,flugelhorn,percussion,vocals,  JAMES PANKOW (1967-present) - trombone, percussion, vocals,  WALTER PARAZAIDER (1967-present) - woodwinds, percussion, vocals.  ----------------------------------------------------------------------------------  others:  LAUDIR DE OLIVIERA (1973-1980) - congas, percussion,vocals,  DONNIE DACUS (1978-1980) - vocals, guitar,  CHRIS PINNICK (1980-1984) - guitar,  BILL CHAMPLIN (1981-present) - vocals, keyboards, guitar,  JASON SCHEFF (1985-present) - vocals, bass,  DaWAYNE BAILEY (1986-1994) - guitar, vocals,  TRIS IMBODEN (1990-present) - drums, harmonica,  BRUCE GAITSCH (1995) & KEITH HOWLAND (1995-present) - guitar. |