Depending on the source, Manteca, who had been a stalwart of the rhythm section, left either in 1955 or in 1957, retiring as had other members through the years because of health matters.
Manteca left either in 1955 or in 1957. This was depending on the source. Manteca was retiring as had other members through the years because of health matters. This was depending on the source. Manteca had been a stalwart of the rhythm section.