There is a total of 21191 clues beginning with si
- Singing like Pentatonix, eg
- Singing Mama
- Singing Mama Elliot
- Singing mate of Stookey and Travers
- Singing Merman
- Singing mobster?
- Singing mountaineer, maybe
- Singing movie cowboy
- Singing movie star
- Singing Nellie
- Singing Nelson
- Singing nonsense
- Singing nymph
- Singing nymph of the Rhine
- Singing or dancing
- Singing Osmond
- Singing pair
- Singing pair who put on the Olympic telethon
- Singing pairs
- Singing part
- Singing part
- Singing partner of 114-Down
- Singing partner of 71-Across
- Singing partner of Brooks
- Singing partner of Loggins
- Singing partner of Peter and Paul
- Singing partners of Papas
- Singing parts
- Singing peak
- Singing Perry
- Singing phantom's haunt
- Singing pigeon
- Singing pigeon?
- Singing poet
- Singing practices
- Singing production
- Singing quartet member
- Singing quartet of the '50s
- Singing range
- Singing range of many women
- Singing range of most women
- Singing right
- Singing Ritter
- Singing rodent group?
- Singing rodent of cartoondom
- Singing satirist Tom
- Singing sensation
- Singing sensation Boyle
- Singing servants?
- Singing Shore
- Singing show, for short
- Singing sib of Vic, Gene, and Joe
- Singing siblings
- Singing sibs of the '70s
- Singing Simon
- Singing siren
- Singing sister of Aretha Franklin
- Singing sister of old Hollywood
- Singing sisters
- Singing sisters on "The Lawrence Welk Show"
- Singing sisters' surname
- Singing slave
- Singing slave girl
- Singing society
- Singing soldier of '66
- Singing soldier of the '60s
- Singing son
- Singing sound
- Singing sound
- Singing sounds
- Singing sounds
- Singing star
- Singing star John ___
- Singing star loved by high-schoolers
- Singing star
- Singing Starr
- Singing stars
- Singing Stewart
- Singing strings
- Singing style
- Singing style for Belafonte
- Singing style in Rossini operas
- Singing style of the '50s
- Singing style of the 1950s
- Singing style popular in the 1950s
- Singing style popularized by Louis Armstrong
- Singing style with African-American roots
- Singing styles
- Singing Sumac
- Singing superstar born in Tottenham
- Singing sword's voice, in "Who Framed Roger Rabbit"
- Singing syllable
- Singing syllable followed by "la"
- Singing syllable
- Singing syllables
- Singing syllables
- Singing technique
- Singing technique used by cowboys and mountaineers
- Singing Tennille
- Singing the blues