| FOURS | Sets of guadruplets |
| CHOIRS | Organised ensembles of singers; groups of instruments of the same family playing together; or, sets of strings for harpsichords (6) |
| ROUNDS | Slices of bread/toast; quantities of sandwiches; sets of drinks bought from a bar by one person; or, games of golf (6) |
| PITCH | Quality of sound based on perception of the frequency of vibration; or, the strip between two sets of wickets in cricket (5) |
| CHEST | Community ___; name of one of the two sets of cards in Monopoly with special instructions (5) |
| SUIT | Any of the four sets of 13 cards in a pack of playing cards (4) |
| ERRORS | Shakespeare work with the two sets of twin brothers and lots of mistaken identity, The Comedy Of ... |
| METADATA | Set of info about sets of info |
| TENNESSEE | Shorter of the two U.S. states whose names contain three sets of double letters |
| AMENDMENT | Minor change for a couple of sets of workers surrounding key transport leader (9) |
| GENOMES | Little people contain essence of parents, ie sets of chromosomes (7) |
| MODEST | Mussorgsky providing sets of notes ahead of time (6) |
| BORDERRIVER | It may straddle neighboring countries ... and, in a different way, what each of four sets of puzzle |
| PARTEDCOMPANY | Went different ways ... or what each of six sets of circled letters literally represents |
| COLLATORS | Machines which merge sets of decks of punched cards |
| POSES | Models sets of bloomers one can wriggle out of |
| SIMILES | Figures of speech used in comparing sets of unlike things |
| ALBUM | Book for sets of stamps, coins, photos or autographs; or, a collection of music on CD, iTunes or other format (5) |
| FATHERSANDSONS | Relationships of the four sets of athletes in this puzzle: 3 wds. |
| MASSIFS | Widespread possibilities of some sets of peaks (7) |