Contrary to the below review, i find this album to be far superior to Necroticism - Descanting The Insalubrious. In my opinion Necroticism is the sound of a band, who know what they want to do, but are too scared to betray their death metal and grind roots. Which is exactly what they did with Heartwork.
Symphonies of sicknes is simply one of the most perfect death metal albums, although to be honest i am not a huge death metal fan (i prefer 80's hardcore like, napalm death, the stupids, ripcord, etc.) There is a good mixture of blastbeats and mid paced sections, and the guitars sound perfect, the vocals are pretty horrible sounding and are mainly performed by Jeff walker on this album, but Bill steer still does a few deep growled vocals. Theres plent of catchy riffs in there, and it rarely goes into some of the monotonous sections like Necroticism. The only thing i dont like is that you cant hear the bass very well apart from when the guitar is not being played. Lyric-wise there are very detailed and interesting pathology terms, making the gore side of things more interesting than you average gore band. All in all a masterpiece album!