As the band celebrate their thirtieth year, 'Past Imperfect.' showcases collected works throughout their rich history, with the addition of one new track. It is in chronological order and split in to 4 sections/2 halves - the first half being the original line up of the band with Al Macaulay (drums), Mark Colwill (bass) and Dickon Hinchliffe (violin, guitar, string arrangements). The second half is the present-day line up with Earl Harvin (drums) and Dan McKinna (Bass, piano, string arrangements). Stuart. A. Staples, Neil Fraser (guitar) and David Boulter (various instruments) are always present.