Title: Let Me Call You Sweetheart
Content:  "Let Me Call You Sweetheart" is a popular song, with music by Leo Friedman and lyrics by Beth Slater Whitson. The song was published in 1910 and was a huge hit for the Peerless Quartet in 1911. A recording by Arthur Clough was very popular the same year too. A 1924 recording identifies a Spanish title, "Déjame llamarte mía".
Title: Let Me Call You Sweetheart
Content:  The complete lyrics:
Title: Let Me Call You Sweetheart
Content: Bing Crosby – recorded August 8, 1934 and on July 17, 1944. ; Denny Dennis (1941) – later included in the compilation LP Yours for a Song issued in 1969. ; Joni James – for her album Among My Souvenirs (1958). ; The Mills Brothers – included in their album Greatest Barbershop Hits (1959). ; Pat Boone and Shirley Boone – included in the album Side by Side (1959). ; Patti Page – for her album I've Heard That Song Before (1958). ; Fats Domino - recorded February 15, 1965. ; Slim Whitman – included in his album Red River Valley (1977). ; Valerie Carter and Linda Ronstadt – Barney Reprise 
Title: Let Me Call You Sweetheart
Content:  – sung by a group of Boy Scouts ; 1975 The Waltons S03E20 - The Shivaree. - sung to the Newlyweds by a group headed by Ike ; 1979 The Rose – sung by Bette Midler ; 1982 The Waltons - A Day of Thanks on Walton's Mountain - sung just before the closing credits ; 1984 Hart to Hart – sung to each other by Robert Wagner and Stefanie Powers at the end of the fifth-season episode entitled "Max's Waltz" ; 1995 America's Funniest Home Videos - sung by Ken Moore in the winning video Sweetheart Singing Proposal ; 1998 Barney's Great Adventure – performed 
Title: Sweetheart (2016 film)
Content:  Sweetheart's film score is composed by Shafiq Tuhin with songs composed by Habib Wahid, Hridoy Khan, and Ahmed Humayun. and lyrics written by Sudip Kumar Dip and Kabir Bakul. The first track titled "Ek Mutho Prem" was released on 23 March 2015 as the first single prior to the soundtrack album's release. The second single to be released was "Kenore Tor Majhe". The album features five tracks, and was released August 2015. Tiger Media Limited acquired the music rights of the film.
Title: Let Me Call You Sweetheart
Content: 1936 Mickey's Rival – Minnie Mouse hums it and Mickey whistles it while setting up their picnic, then part of the melody plays in the background at the end of the short ; 1937 Make Way for Tomorrow – Victor Moore sings the song with Beulah Bondi, and the film ends with an instrumental rendition plays into the credits ; 1938 Swiss Miss – sung by Oliver Hardy ; 1940 Waterloo Bridge ; 1943 Thousands Cheer – sung by Gene Kelly whilst dancing with a mop ; 1945 Diamond Horseshoe – performed by Beatrice Kay' ; 1948 For the Love of Mary ; 1966 Follow Me, 
Title: Let Me Call You Sweetheart
Content:  George Hearn ; 2005 The Greatest Game Ever Played – an instrumental version by a band is heard on the soundtrack ; 2012 Downton Abbey – sung by Shirley MacLaine ; 2014 52 Tuesdays – used over the end credits in this Australian film about a transgender father and his daughter Billie ; 2014 When Calls the Heart – sung by Pascale Hutton in Season 2 Episode 4 ; 2017 Adventure Time – used in Season 9 Elements episode sung by Candy Kingdom characters ; 2020 Murdoch Mysteries - used in Season 13 Episode 17 "Things Left Behind", sung by the character Dr. Andrew Dixon 
Title: Beth Slater Whitson
Content:  400 songs, and is best remembered for the songs "Meet Me Tonight in Dreamland" (1909) and "Let Me Call You Sweetheart" (1910), both becoming one of the largest selling songs in sheet music.Her first major hit Meet Me Tonight in Dreamland really became known in 1949 when it was featured in the movie In the Good Old Summertime She wrote the words to her songs but got someone else to write the music. In 1913, Whitson and her family moved to Nashville, Tennessee, where she and her sister, Alice, continued to write. "Let me call you sweetheart I'm in love with you. Let me hear you whisper that you love me too" - Beth Slater Whitson, from Let Me Call You Sweetheart
Title: 46 Long
Content:  ; The song the Trinidadian nurse sings to herself as she does chores around Livia's house is "Let Me Call You Sweetheart". ; The song played when Paulie and Pussy find the thieves apartment is "Chica Bonita (Levante las Manos)" by Artie the 1 Man Party. ; The song played when Christopher and Brendan discuss hijacking the truck containing Italian suits at the nightclub is the Hardshell Mix of "Party Girl" by Ultra Nate. ; The song played when Tony suffers a panic attack while packing up Livia's house is Symphony #3, Op. 36, by Henryk Górecki. ; The song played when Tony beats Georgie with the phone and into the end credits is "Battle Flag" by Pigeonhed. 
Title: Swiss Miss (film)
Content:  composer works. While talking with Anna, and not knowing who she actually is, Ollie falls in love with her, and he and Stan go to serenade her. Before they can start she comes to the window, and Ollie invites her to the next day's Alpen Fest. She tells them she has a special plan for the Fest and will see them the next day. Realizing that they never serenaded her, Ollie sings "Let Me Call You Sweetheart" accompanied by Stan playing a tuba. This wakes up the chef, who lives upstairs. He is also in love with Anna, and warns Ollie that she is his girl. He douses Ollie with a pitcher of water and then threatens 

Question: Who was the composer of Let Me Call You Sweetheart?
Answer: Leo Friedman.