'Ebony and Ivory,' e.g., 4 letters
'Endless Love', e.g., 4 letters
'Heart and Soul,' e.g., 4 letters
'You Don't Bring Me Flowers,' e.g., 4 letters
1984's To All the Girls I've Loved Before, for one, 4 letters
Any Donny and Marie song, say, 4 letters
Any Righteous Brothers tune, 4 letters
Any Sonny and Cher song, 4 letters
Anything You Can Do, e.g., 4 letters
Anything You Can Do... is one, 4 letters
Baby, It's Cold Outside, e.g., 4 letters
Baby, It's Cold Outside, for one, 4 letters
Beauty and the Beast, e.g., 4 letters
Cinque, dieci, venti, trenta in The Marriage of Figaro, e.g., 4 letters
Collaberative number, 4 letters
Composition for two, 4 letters
Don't Go Breaking My Heart, for example, 4 letters
Don't You Want Me, Baby? e.g., 4 letters
Donizetti's Tornami a dir che m'ami, e.g., 4 letters
Dueling Banjos, e.g., 4 letters
Dueling Banjos, for one, 4 letters
Ebony and Ivory or I Got You Babe, 4 letters
Eddy-MacDonald number, 4 letters
Everly Brothers hit, e.g., 4 letters
Everly Brothers offering, 4 letters
Everly Brothers performance, 4 letters
Everly Brothers song, e.g., 4 letters
Everly brothers, for one, 4 letters
First-act finale in La Boh, 4 letters
Four-hand piano piece, 4 letters
Four-handed piano tune, 4 letters
Heart and Soul, to young pianists, 4 letters
I Got You Babe is one, 4 letters
I Got You Babe, e.g., 4 letters
Indigo Girls song, e.g., 4 letters
Irving Berlin's You're Just in Love, e.g., 4 letters
Islands in the Stream or Leather and Lace, 4 letters
It can't be done alone, 4 letters
It may call for four hands, 4 letters
It's hit by a typist's pinky, 4 letters
La ci darem la mano of Don Giovanni, for one, 4 letters
Let's Call the Whole Thing Off, for one, 4 letters
Love song, at times, 4 letters
MacDonald-Eddy specialty, 4 letters
Many a Streisand hit, 4 letters
Musical collaboration, 4 letters
Musical composition, 4 letters
Musical composition for two, 4 letters
Musical piece for two, 4 letters
Number divided by two?, 4 letters
Number one can't do, 4 letters
Operatic love scene, 4 letters
Operatic love scene, usually, 4 letters
Operatic love song, often, 4 letters
Parigi, ocara, in La Traviata, 4 letters
Peaches & Herb, e.g., 4 letters
Performance that takes a second, 4 letters
Peter and Gordon song, e.g., 4 letters
Piano music for four hands, 4 letters
Piano piece requiring four hands, 4 letters
Piano piece with primo and secondo parts, e.g., 4 letters
Piece marked one piano, four hands, 4 letters
Piece marked piano, four hands, obviously, 4 letters
Piece played by a pair, 4 letters
Puccini's Flower ___, 4 letters
Puccini's O Mimi, tu pi, 4 letters
Righteous Brothers song, e.g., 4 letters
Siegmund-Sieglinde number, 4 letters
Simon and Garfunkel song, 4 letters
Simon and Garfunkel, e.g., 4 letters
Sinatra-Bono number, 4 letters
Smothers Brothers song, 4 letters
Something one can never do, 4 letters
Something one can't do, 4 letters
Something one singer can never do, 4 letters
Song for Brooks & Dunn, 4 letters
Song for Simon and Garfunkel, e.g., 4 letters
Song for Steve and Eydie, e.g., 4 letters
Song for the Everly Brothers, 4 letters
Sonny and Cher song, e.g., 4 letters
Sonny and Cher, e.g., 4 letters
Steve and Eydie number, 4 letters
Tea for Two for two, e.g., 4 letters
Tea for Two, for one, 4 letters
The Carpenters, e.g., 4 letters
The Everly Brothers, e.g., 4 letters
The Human League's Don't You Want Me, e.g., 4 letters
The Smothers Brothers, for one, 4 letters
Tony Bennett and Lady Gaga did one, 4 letters
Tune for four hands, 4 letters
Two-part composition, 4 letters
Two-player activity, 4 letters
Two-star performance?, 4 letters
Unforgettable, e.g., 4 letters
Up Where We Belong is one, 4 letters
Up Where We Belong, e.g., 4 letters
Up Where We Belong, for one, 4 letters
Verdi's Fu la sorte dell' armi, e.g., 4 letters
Verdi's Un di felice, for one, 4 letters
Work for four hands, 4 letters
Work for two people, 4 letters
Work that can't be done alone, 4 letters
You can't do it alone, 4 letters
You're the One That I Want (song from Grease), e.g., 4 letters
A dance for two people (usually a ballerina and a danseur noble), 4 letters
Two items of the same kind, 4 letters
Two performers or singers who perform together, 4 letters
A pair who associate with one another, 4 letters
A musical composition for two performers, 4 letters
Eventually, with in, 7 letters
In ___ (before long), 7 letters
In ___ (eventually), 7 letters
___ circumstances beyond our control..., 5 letters
___ circumstances beyond..., 5 letters
___ circumstances..., 5 letters
Justice for a thieving couple?, 11 letters
1993 Frank Sinatra album, 5 letters
1993 Frank Sinatra album not featuring George Michael, 5 letters
1993 triple-platinum Frank Sinatra album, 5 letters
2002 Streisand album, 5 letters
Compositions for two, 5 letters
Everly Brothers repertoire, 5 letters
Focus of recent Tony Bennett albums, 5 letters
Four-hand piano pieces, 5 letters
I Loves You, Porgy and others, 5 letters
Jan and Dean and Chad and Jeremy: arch., 5 letters
La Scala highlights, 5 letters
Musical compositions expected, Eliot (5), 5 letters
Performers in pairs, 5 letters
Pieces for four hands, 5 letters
Quartet after a breakup?, 5 letters
Simon and Garfunkel performances, 5 letters
Simon and Garfunkel songs, 5 letters
Small chamber pieces, 5 letters
Some musical compositions, 5 letters
Some singing performances, 5 letters
Songs for the Everlys, 5 letters
Songs for two voices, 5 letters
Sonny and Cher songs, 5 letters
Sonny and Cher songs, e.g., 5 letters
Soprano-bass combos, maybe, 5 letters
Tenor-soprano combos, e.g., 5 letters
They require four hands, 5 letters
Gwyneth Paltrow (2000) + Johnny Depp (2001) = feature of most karaoke nights?, 13 letters
2011 Tony Bennett album that featured Amy Winehouse's final recording, 7 letters
Sang with a partner, 7 letters
Dustin Hoffman's The Graduate Alfa Romeo model, 6 letters