A Lonely Man includes The Chi-Lites most successful single "Oh Girl", which topped both the pop and R&B charts and peaked at No. 14 on the UK Singles Chart, the eight and a half-minute epic "The Coldest Days of My Life" and a cover of Marvin Gaye's "Inner City Blues (Make Me Wanna Holler)". A Lonely Man was The Chi-Lites' most successful album, topping the R&B chart and peaking at No. 5 on the pop chart. It is frequently cited as the group's best recording. AllMusic reviewer Craig Lytle describes the album as "flawless" and "exquisite".