Rising to fame in the mid-1960s as frontman of the pop music trio the Walker Brothers, he began a solo career with 1967's Scott, moving toward an increasingly challenging style on late-1960s baroque pop albums such as Scott 3 and Scott 4 (both 1969). After sales of his solo work started to decrease, he reunited with the Walker Brothers in the mid-1970s. From the mid-1980s onward, Walker revived his solo career while moving in an increasingly avant-garde direction; of this period in his career, The Guardian said "imagine Andy Williams reinventing himself as Stockhausen". Walker's 1960s recordings were highly regarded by the 1980s UK underground music scene, and gained a cult following.
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