Dillon also left after one album, leaving Roberts as the sole lead singer. Equation made four albums and two EPs. They toured throughout the UK, Europe and extensively through the US as a "folk supergroup".
After Dillon's exit, Roberts took over as the sole lead singer for Equation. The band produced four albums and two EPs. Consequently, they traveled extensively across the UK, Europe, and the US, earning the title of a "folk supergroup".