María Luisa González Gragirena de Escobar (née María Luisa González Gragirena; known artistically by her married name María Luisa Escobar; also credited as Maritza Graxirena; Valencia, 5 December 1903 - Caracas, 14 May 1985) was a Venezuelan musicologist, pianist, composer, and caricaturist, who founded the Caracas Athenaeum in 1931.
 She also served as President of the Venezuelan Red Cross (Valencia, 1921; Caracas, 1922–23).
"Cups" is a version of the 1931 Carter Family song "When I'm Gone", usually performed a cappella with a cup used to provide percussion, as in the cup game.
 It was first performed this way in a YouTube video by Lulu and The Lampshades in 2009 (under the title "You're Gonna Miss Me").
 Composition of the song is credited to A. P. Carter and Luisa Gerstein of Lulu and the Lampshades.
"Happy Birthday" is a 1980 song and by The Boys Next Door.
 It was released as a single on 16 February 1980 on Missing Link.
 The song is not related to the popular birthday song "Happy Birthday to You".
 The first album it appeared on was "The Birthday Party".
 It was later included as track two on the 1992 compilation "Hits".
Iisalmen serkku ja muita kertomuksia (Finnish: "The Cousin from Iisalmi and Other Tales") is a collection of historical short novels Finnish author Kaari Utrio.
 This book includes novels Iisalmen serkku, Luisa, Agneta rakastuu, Rakas Thea, Ihana köyhyys, Ruusukupit and Rautalilja (Finnish: "Cousin from Iisalmi", "Luisa", "Agneta Falls in Love", "Dear Thea", "Lovely Poorness", "Rose Cups" and "Iron Lily".
Maria Luisa De Crescenzo (b. January 12, 1992) is an Italian actress.
 Her credits include the television series "Rosso San Valentino" and the films "Young Europe", "David's Birthday" and "A Flat for Three".
Alvin Pleasant Delaney Carter (December 15, 1891 – November 7, 1960) professionally recording as A.P. Carter, was an American musician and founding member of The Carter Family, one of the most notable acts in the history of country music.
"Happy Birthday to You", more commonly known as simply "Happy Birthday", is a song that is traditionally sung to celebrate the anniversary of a person's birth.
 According to the 1998 "Guinness World Records", "Happy Birthday to You" is the most recognized song in the English language, followed by "For He's a Jolly Good Fellow".
 The song's base lyrics have been translated into at least 18 languages.
 The melody of "Happy Birthday to You" comes from the song "Good Morning to All", which has traditionally been attributed to American sisters Patty and Mildred J. Hill in 1893, although the claim that the sisters composed the tune is disputed.
"Garden" is a song by English electro producer and DJ Totally Enormous Extinct Dinosaurs featuring Vocals by Luisa Gerstein.
 The track was released in the United Kingdom on October 14, 2011 as the second single from his debut studio album, Trouble.
 The song was written by Orlando Higginbottom and produced by Totally Enormous Extinct Dinosaurs.
María Luisa Anido (Isabel María Luisa Anido González) (26 January 1907 – 4 June 1996) was an Argentine classical guitarist and composer.
Landshapes is a British band known primarily for their effects-heavy psychedelic alternative rock.
 They released their debut full-length album "Rambutan" on indie record label Bella Union in 2013 and their second, "Heyoon", in May 2015.
 The band consists of Dan Blackett, Jemma Freeman, Heloise Tunstall-Behrens and Luisa Gerstein.
 They were previously called Lulu and the Lampshades.

Question: What is the birthday of the composer of the song "Cups" that wasn't Luisa Gerstein?
Answer: December 15, 1891