Back When I Knew It All is the sixth studio album by the American country music duo Montgomery Gentry. It was released by Columbia Records Nashville on June 10, 2008 (see 2008 in country music). The album's title track, which is also its lead-off single, became their fourth Number One on the BillboardHot Country Songs charts in July 2008. Following it was "Roll with Me", which also reached Number One in December 2008. After it came "One in Every Crowd", the third single. The fourth single is "Long Line of Losers", which was released on June 22, 2009.
Back When I Knew It All was produced by Blake Chancey. The album's first release to country radio was its title track, co-written by Trent Willmon. In mid-2008, this song became Montgomery Gentry's fourth Number One hit on the BillboardHot Country Songs charts. Following it was "Roll with Me", which also topped Hot Country Songs. "One in Every Crowd" is the album's third single, released in early 2009. This song and "Now You're Talkin'" were co-written by Ira Dean, formerly bass guitarist in the group Trick Pony. "Now You're Talkin'" and "Long Line of Losers" (the fourth single) were previously recorded by Kevin Fowler on his 2007 album Bring It On, and "The Big Revival" was previously recorded by John Anderson on his 2000 album Nobody's Got It All, which Chancey also produced.