Constant Source of Disappointment (affectionately known as C.S.O.D.) are a 4 piece thrash metal/punk band from Blackpool, UK, influenced by, and likened to, bands such as Exodus, Anthrax, AC/DC, Misfits, Testament, GWAR and Metallica.

C.S.O.D. have taken their music up and down the UK – the Punk4TheHomeless gigs in Boston, Watford and Skegness; Punktoberfest in Dundee; Nice n Sleazy Festival in Morecambe and the local gigs in Preston and Manchester among the many highlights. The band love having a good time, partying the whole night, supporting the other bands, and they always go down a storm wherever they play.