sentences:  Though the later incarnation, Clouds, was still interesting, invention was now part of the mainstream, and the group disbanded in October 1971, unable to find a niche in an overcrowded progressive rock scene.As years passed, however, it was the band's earlier incarnation as 1-2-3 that became the subject of a critical reappraisal.Ritchie, the organist, was credited as being the first of his kind, standing and taking a lead role, paving the way for others, such as Keith Emerson and Rick Wakeman.