Many of their tracks have been in the UK charts as well as those in other countries. Wide belief is that their best album is "Surrender" however "Dig Your Own Hole" is considered their masterwork by a significant number of Chemical Brother connoisseurs and they are known for producing a style which evolves greatly between albums.
From Wikipedia:The Chemical Brothers are a British electronic music duo Tom Rowlands and Ed Simons (full names Thomas Owen Mostyn Rowlands and Edmund John Simons ? occasionally referred to as Chemical Tom and Chemical Ed). Known for their live sets, they are pioneers of the big beat electronic dance genre which achieved mainstream popularity in the 1990s.