Acclaimed Music - If You Don't Know Me by Now
Harold Melvin and The Bluenotes
If You Don't Know Me by Now

Best of All-time Lists, Best of Decade Lists, etc.
Bruce Pollock (USA) - The 7,500 Most Important Songs of 1944-2000 (2005) No Order
Dave Marsh & Kevin Stein (USA) - The 40 Best of the Top 40 Singles by Year (1981) 13
Dave Marsh (USA) - The 1001 Greatest Singles Ever Made (1989) 275
Greil Marcus (USA) - STRANDED: "Treasure Island" Singles (1979) No Order
Michaelangelo Matos (USA) - Top 100 Singles of the 1970s (2001) 93
RIAA and NEA (USA) - 365 Songs of the Century (2001) 199
2FM (Ireland) - Top 100 Singles of All Time (2003) 74
Mojo (UK) - The 100 Greatest Singles of All Time (1997) 71
Mojo (UK) - The 100 Greatest Songs of All Time (2000) 59
Rolling Stone (Germany) - The Best Singles of 5 Decades (1997) No Order