   Their self-titled first album appeared in 1970; Pilgrimage
and Argus followed over the next two years, and each showed a
major advance in the band's sound. The release of 1973's
Wishbone Four reflected a greater maturity to the group, and was
their first fully developed album, with songwriting that didn't
hide behind a progressive pose but luxuriated in the members'
folk music inclinations, without compromising the harder edge of
their music. The album also saw the departure of Ted Turner, who
was replaced by Laurie Wisefield.  Locked In and New England
followed; Martin Turner departed after 1979's Just Testing, to
be replaced by ex-King Crimson bassist/singer John Wetton.
Wishbone Ash soldiered on through the 1980s, and in 1986 even
got back with Copeland, by now a major player in the recording
industry by virtue of his management of the Police and his
founding of I.R.S. Records. Wishbone Ash's history came full
circle with the reunion of Powell, Upton, Ted Turner, and Martin
Turner, and the recording of