19 chart entries: Diana Ross, Donna Summer
18: Earth Wind & Fire
17:
16: Rose Royce
15:
14:
13: Fatback Band, Heatwave
12: ABBA, Commodores, George Benson, Rod Stewart, Roy Ayers (+ Roy Ayers Ubiquity / Ubiquity)
11: Boney M, Isley Brothers, Jacksons, Kool & The Gang, Stevie Wonder, Whispers
10: Hot Chocolate, Real Thing, Slave, Tavares
9: Bob Marley & The Wailers, Cameo, Detroit Spinners, James Brown, Shalamar, Village People
8: Bee Gees, Billy Ocean, Blondie, Brothers Johnson, Gibson Brothers, Gladys Knight & The Pips, Hamilton Bohannon, KC & The Sunshine Band, One Way (feat. Al Hudson), Randy Crawford, Rick James, Teena Marie, War
7: Bar-Kays, Candi Staton, Chic, Crown Heights Affair, David Bowie, Donald Byrd, Dynasty, Eddy Grant, Elton John, George Duke, Herbie Hancock, Light Of The World, Michael Jackson, Rah Band, Raydio, Showaddywaddy, Sister Sledge, Smokey Robinson, Teddy Pendergrass, Tina Charles
6: Ashford & Simpson, Barry White, Brass Construction, Central Line, Crusaders, Electric Light Orchestra, Evelyn (“Champagne”) King, Freeez, Gloria Gaynor, Kleeer, Level 42, Linda Clifford, Linx, Manhattan Transfer, Marvin Gaye, Narada Michael Walden, Players Association, Prince, Ramsey Lewis, Roxy Music, Skyy (aka New York Skyy), Stephanie Mills, Stylistics, Sylvester, Trammps, Van McCoy, Wings
Note: these totals include collaborations, e.g. Donna Summer & Barbra Streisand / Diana Ross & Michael Jackson
