Complex sentence: Coles's addition to the band as lead guitarist in 2005 allowed for stronger three-guitar melodies on "Disguises", particularly on the re-release of "Closer".
Split into simpler sentences: Coles's addition to the band as lead guitarist in 2005 allowed for stronger three-guitar melodies that were evident on "Disguises". His addition is evident in many songs on "Disguises", most notably on the re-release of "Closer".