There are two known under the name 'SDR'. 1. Formed in late 2001, in Cardiff UK, the band began life when workmates Matt and Sion realised the both knew people interested in forming bands. The ingrediants were all there, and Paul ( Drummer), Chris (singer / gitarist), Sion ( bassist) and Matt (guitarist) began those first tentative Practices. Things went well, and so band names became an issue, and a problem. After passing on such names as Infinitum