| 100% | THECHIFFONS | 11 | Group that performed Carole King's "One Fine Day": 2 wds. |
| 58% | THECARPENTERS | 13 | Band that performed Carole King's "It's Going to Take Some Time": 2 wds. |
| 48% | JAMESTAYLOR | 11 | Singer who performed Carole King's "You've Got a Friend": 2 wds. |
| 42% | THEDRIFTERS | 11 | Group that Ben E. King sang with before going solo: 2 wds. |
| 41% | ONEDIRECTION | 12 | Group that performed "What Makes 'U' Useful" (a parody of "What Makes You Beautiful") on "Sesame Street": 2 wds. |
| 39% | CELTICTHUNDER | 13 | Singing group that opened the New York City Saint Patrick's Day Parade in 2009 (2 wds.) |
| 38% | TAGALONG | 8 | Join a group that's going somewhere: 2 wds. |
| 38% | GENX | 4 | Demographic group that includes today's fiftysomethings: 2 wds. |
| 37% | ITSTOOLATE | 10 | 1971 Carole King hit that's featured in 48-Across: 3 wds. |
| 37% | ONEFINEDAY | 10 | 1980 Carole King hit that's featured in 48-Across: 3 wds. |
| 37% | SOFARAWAY | 9 | 1971 Carole King hit that's featured in 48-Across: 3 wds. |
| 37% | GOTA | 4 | Carole King's "You've ___ Friend" (2 wds.) |
| 35% | BEEGEES | 7 | Group that sang "Stayin' Alive," with "the": 2 wds. |
| 35% | THREESTOOGES | 12 | Group that included Moe, Larry, and Curly: 2 wds. |
| 35% | BOOKCLUBS | 9 | Groups that come together to discuss literature: 2 wds. |
| 35% | CELTICTHUNDER | 13 | Irish vocal group that won Billboard's Top World Album Artist award three times: 2 wds. |
| 34% | BEEGEES | 7 | Musical group that recorded 16-, 21-, and 41-Across: 2 wds. |
| 34% | AREACODES | 9 | Three-digit groups that begin phone numbers: 2 wds. |
| 34% | LEDZEPPELIN | 11 | "Stairway to Heaven" group that turned down Woodstock: 2 wds. |
| 34% | CHESSCLUB | 9 | Extracurricular school group that typically has brainy members: 2 wds. |
| 33% | ONEDIRECTION | 12 | Group that Zayn Malik was a part of from 2010 to 2015: 2 wds. |
| 33% | SWEETSEASONS | 12 | 1972 Carole King song about how life is always changing: 2 wds. |
| 33% | THEIMPRESSIONS | 14 | "It's All Right" R&B group that recorded 48-Across: 2 wds. |
| 33% | ONEDIRECTION | 12 | "Drag Me Down" group that won 14-Across in 2013: 2 wds. |
| 33% | PROCOLHARUM | 11 | "A Whiter Shade of Pale" group that turned down Woodstock: 2 wds. |
| 33% | FLASHMOB | 8 | Group that assembles quickly to entertain a crowd: 2 wds. |
| 33% | FLASHMOB | 8 | Group that assembles briefly for a public performance: 2 wds. |
| 32% | VILLAGEPEOPLE | 13 | Group that had a #2 hit in 1979 with "Y.M.C.A.": 2 wds. |
| 32% | THEBEATLES | 10 | Group that featured the bandleader character Sgt. Pepper on its 1967 concept album: 2 wds. |
| 32% | NPRNEWS | 7 | Nonprofit group that broadcasts current-events programs like "All Things Considered": 2 wds. |