The pages linked in the right-hand column contain lists of areas that are of the same order of magnitude (power of ten). Rows in the table represent increasing powers of a hundred (two orders of magnitude).
... 1981 Joni Mitchell
1982 Neil Young
1983 Glenn Gould
1986 Gordon Lightfoot
1987 The Guess Who[?]
1989 The Band
1990 Maureen Forrester[?]
1991 Leonard ...