Chicago X marks a refined and confident chapter for Chicago, blending their signature horn-driven sound with a smoother, more radio-friendly approach. Released in the mid-’70s, the album balances sophisticated pop arrangements, soft rock, and subtle jazz touches, highlighted by the band’s impeccable musicianship and rich vocal harmonies. Anchored by the timeless hit “If You Leave Me Now,” Chicago X showcases a warmer, more melodic side of the band without losing their musical depth. Elegant, accessible, and expertly crafted, it’s one of Chicago’s most enduring and widely loved albums.