There are at least three bands named Them: 1. a Northern Irish rock and roll band that was formed in Belfast in 1963 2. a US/German Heavy Metal band formed in 2008 3. a Seattle-based pop-rock band formed in 2020 1. Them was a Northern Irish rock and roll band that was formed in Belfast in 1963. Best known for the garage rock standard "Gloria" and for launching singer-songwriter Van Morrison's careers, the group had an energetic sound that fit right into the British blues and rock boom of the 60s. Read more on Last.fm