| Single past short, e.g. | 23 |
| Single part of the whole | 24 |
| Single out for a closeup | 24 |
| Single out as important | 23 |
| Single order of tutti frutti? | 29 |
| Single or separated, e.g. | 25 |
| Single or double, often | 23 |
| Single or double, maybe | 23 |
| Single or double, e.g. | 22 |
| Single one's last words? | 28 |
| Single offs.' digs | 22 |
| Single of the Week promoter | 27 |
| Single occurrences, at Oxford | 29 |
| Single NASA acceleration unit | 29 |
| Single mom in a 2000s sitcom | 28 |
| Single malt, for instance | 25 |
| Single malt scotch brand | 24 |
| Single guy's place | 22 |
| Single bursts of firing | 23 |
| Single at the beginning? | 24 |
| Single and lacking baggage | 26 |
| Single and double, e.g. | 23 |
| Single aircraft mission | 23 |
| Single act, as of genius | 24 |
| Singing-family surname | 22 |
| Singing without instruments | 27 |
| Singing without backup | 22 |
| Singing voice, so to speak | 26 |
| Singing voice, slangily | 23 |
| Singing voice, informally | 25 |
| Singing voice, in slang | 23 |
| Singing the praises of | 22 |
| Singing style of the 1950s | 26 |
| Singing style of the '50s | 29 |
| Singing sibs of the '70s | 28 |
| Singing sensation Boyle | 23 |
| Singing range of most women | 27 |
| Singing program, to fans | 24 |
| Singing phantom's haunt | 27 |
| Singing partner of Brooks | 25 |
| Singing nymph of the Rhine | 26 |
| Singing legend Jackson | 22 |
| Singing Knight's backup | 27 |
| Singing John from Middlesex | 27 |
| Singing hopeful's handout | 29 |
| Singing group, in Spain | 23 |
| Singing group ___ Na Na | 23 |
| Singing group of three | 22 |
| Singing group --- Na Na | 23 |
| Singing Green Beret Barry | 25 |
| Singing Germanic siren | 22 |
| Singing genre of the '50s | 29 |
| Singing duo Steve and ___ | 25 |
| Singing cowboy's refrain | 28 |
| Singing cowboy and son | 22 |
| Singing competition, briefly | 28 |
| Singing brothers' surname | 29 |
| Singing brothers' name | 26 |
| Singing brother's surname | 29 |
| Singing brother who went solo | 29 |
| Singing alone, as a diva | 24 |
| Singing ability, slangily | 25 |
| Singing ability, informally | 27 |
| Singing "Mama" | 24 |
| Singing "bust out" | 28 |
| Singing "Brothers" | 28 |
| Singers' syllables | 22 |
| Singers' last albums? | 25 |
| Singers Washington and Shore | 28 |
| Singers under balconies | 23 |
| Singers team up for a duet | 26 |
| Singers Shore and Washington | 28 |
| Singers Shannon and Reeves | 26 |
| Singers Schipa and Gobbi | 24 |
| Singers often have two | 22 |
| Singers Ochs and Collins | 24 |
| Singers Obraztsova and Cernei | 29 |
| Singers Nelson and others | 25 |
| Singers Neil + Courtney | 23 |
| Singers McCrae and Stefani | 26 |
| Singers like Marian Anderson | 28 |
| Singers Lanny and Diana | 23 |
| Singers Jones and James | 23 |
| Singers John and Bonnie | 23 |
| Singers James and Jones | 23 |
| Singers Green and Jardine | 25 |
| Singers Farrell and Como | 24 |
| Singers Evans and Quin | 22 |
| Singers Donny and Marie | 23 |
| Singers Diamond and Sedaka | 26 |
| Singers Coolidge and Hunter | 27 |
| Singers Collins and Ochs | 24 |
| Singers Cohn and Anthony | 24 |
| Singers Clark and Rogers | 24 |
| Singers Clark and Orbison | 25 |
| Singers Cernei and Doria | 24 |
| Singers Bryant and O'Day | 28 |
| Singers Bonnie and John | 23 |
| Singers Bill and Jimmy | 22 |
| Singers Bareilles and Evans | 27 |