Relentless is the debut solo album by English singer Jo O'Meara. It was released by Sanctuary Records on 3 October 2005 in the United Kingdom, two and a half years after the initial split of her band S Club 7 in May 2003. Chiefly produced by Brian Rawling and co-written by O'Meara, the album is a mix of contemporary pop, disco and soulful ballads. It debuted and peaked at 48 on the UK Albums Chart.[2]
Caroline Sullivan from The Guardian found that "her solo album confirms beyond debate that [O'Meara] does indeed have a voice, and an Aguilera-type tornado at that, but it also proves that S Club's club-footed balladry still has a pernicious hold. The Celine Dion-ised slurpiness of the opening title track kickstarts a whole album's worth of future hen party classics. To hear her wasting her strong, sure vocals on sub-Kylie generica like "Let's Love" and the Nashville-via-Essex stab at country, "Never Felt Like This," is a pain. The joyous redemption of "Wish I Was Over You" is reminiscent of S Club's one claim to fabness, "Don't Stop Moving, and," similarly, just highlights the tepidness of the rest."[3]BBC Music's James Blake called Relentless "slick, well constructed and safer than a bet on black still being in fashion this time next year [...] However that doesn't detract from this being a fairly decent debut; far better than certain other ex boy and girl band members."[1]