- CROON
- Hum or sing softly
- Sing like Bing
- Sing, romantically
- Emulate Lena Horne
- Perform Sinatra at karaoke, perhaps
- Sing like Sinatra
- Sing as Bing sang
- Sing like Buble
- Sing like Vic Damone
- Sing like "Der Bingle"
- Sing like Como
- Sing sentimentally
- Sing like Crosby
- Hum soothingly
- Sing like Connick
- Sing like Bing Crosby
- Sing like Rudy Vallee
- Sing soothingly
- Sing ballads, perhaps
- Emulate Bing Crosby
- Baby pacifier
- Sing softly
- Sing a lullaby, say
- Serenade, perhaps
- Sing like Michael Bublé
- Emulate Harry Connick Jr.
- Sing ballads, say
- Deliver an old standard, perhaps
- Sing jazz standards, perhaps
- Opposite of belt
- Sing smoothly
- Sing like Dean Martin
- Serenade, maybe
- Sing a lullaby, perhaps
- Perform like Alfalfa
- Warble
- Emulate Bing
- Sing softly and soothingly
- Serenade, in a way
- 35 Across romantically
- Perform at a luau, perhaps
- Sing like Bennett
- Be a balladeer
- Perform karaoke, perhaps
- Emulate Rudy Vallee
- Sing swing, perhaps
- Sing a ballad
- Emulate the early Bing.
- Sing low.
- Sing, as a lullaby.
- Type of popular song.
- Hum.
- Low, gentle singing.
- Sing without full voice.
- Sing à la Crosby.
- Sing in a certain way.
- Sing, so to speak.
- Sing in a low tone.
- Sing, in a way.
- Echo Bing
- Hum gently
- Sing, thirties' style
- Learn to ___
- Sing to baby
- Sing, but not operatically
- Sing like young Bing
- Emulate Russ Columbo
- Imitate Russ Columbo
- Sing like Columbo
- Emulate Columbo
- Lull with lullabies
- Sing in a low, gentle tone
- Copy Columbo
- Sing à la Bing
- Imitate Crosby
- Sing "The Moon Got in My Eyes," e.g.
- Sing like Andy Williams or Russ Columbo
- Perform "All of Me," say
- Perform Hawaiian music, say
- Produce sentimental notes?
- Sing with dulcet tones
- Sweetly sing
- Sing to a baby, maybe
- Try Sinatra at karaoke, say
- Sing like Nat King Cole
- Sing gently
- Perform like Torme
- Emulate "Old Blue Eyes"
- Sing a love song, perhaps
- Emulate a ballad singer
- Sing slowly
- Sing to make people swoon
- Emulate Sinatra
- Make like Sinatra
- Serenade baby
- Serenade softly
- Sing intimately
- Emulate Vallee
- Sing an Ink Spots song, say
- Emulate Robert Goulet
- Emulate Mel Torme
- Sing like Michael Buble
- Emulate Tony Martin
- Sing sweetly
