This collection is basically two discs giving different sides to the world of NCIS:
Disc 1: SPECIAL AGENT.
This is music mainly taken from the shows general soundtrack. Just a look at the artists listed tell you, in general, both what to expect and what high quality it's going to be. Note that Cote de Pablo's track, Temptation, which she sung on the show, keeps the quality high. The last track - NCIS Theme, performed by Numerik lab pushes things along and is a great bridge to...
Disc 2: ABBY'S LAB.
To be honest my preferred disc by quite a way. Track 1, a remix of the NCIS theme is by Ministry who appear to have come out of retirement for this one.This disc has a heavier, more industrial edge in many ways although there is enough genre changing to allow for some relief if you need it. Track 7: Fear is performed by Pauley Perret, is used in the show (Not as lab music), and is very good indeed (any one who has already heard her music will know what to expect.
Overall I must say that although I like some tracks more than others (who doesn't on a compilation) The quality of the tracks and the overall balance of the discs makes this worthy of 5 stars.