Question: Who was the musical performer who wrote "lily the Pink"?

Context paragraphs:
Howard Da Silva: Howard Da Silva (May 4, 1909 – February 16, 1986) was an American actor, director and musical performer on stage, film, television and radio.  He was cast in dozens of productions on the New York stage, appeared in more than two dozen television programs, and acted in more than fifty feature films.  Adept at both drama and musicals on the stage, he originated the role of Jud Fry in the original 1943 run of the Rodgers and Hammerstein musical "Oklahoma! ", and also portrayed the prosecuting attorney in the 1957 stage production of "Compulsion".  Da Silva was nominated for a 1960 Tony Award as Best Featured Actor in a Musical for his work in "Fiorello! ", a musical about New York City mayor LaGuardia.  In 1961, Da Silva directed "Purlie Victorious", by Ossie Davis.

Groupie: The term groupie is derived from group, in reference to a musical group, but the word is also used in a more general sense, especially in casual conversation, to mean a particular kind of musical fan assumed to be more interested in relationships with rockstars than in their music.  A groupie is generally considered a devoted fan of a band or musical performer.  A groupie is considered more intense about their adored celebrities than a fan and tends to follow them from place to place.  A groupie will attempt to have a connection with the band, and may seek intimate contact.  Many groupies will involve themselves sexually with members of their preferred band.  Though less common, groupies of sports teams and athletes, actors/actresses and other celebrity figures do exist.

Zephyranthes rosea: Zephyranthes rosea, commonly known as the Cuban zephyrlily, rosy rain lily, rose fairy lily, rose zephyr lily or the pink rain lily, is a species of rain lily native to Peru and Colombia.  They are widely cultivated as ornamentals and have become naturalized in tropical regions worldwide.  Like all rain lilies, they are known for blooming only after heavy rains.

Alla Pugacheva: Alla Borisovna Pugacheva (Russian: Алла Борисовна Пугачёва ; sometimes transcribed in English as Pugachova, ] ; born 15 April 1949), is а Soviet and Russian musical performer.  Her career started in 1965 and continues to this day.  For her "clear mezzo-soprano and a full display of sincere emotions", she enjoys an iconic status across the former Soviet Union as the most successful Soviet performer in terms of record sales and popularity.

Lily the Pink (song): "Lily the Pink" is a 1968 song released by the UK comedy group The Scaffold.  It is a modernisation of an older folk song titled "The Ballad of Lydia Pinkham".  The lyrics celebrate the "medicinal compound" invented by Lily the Pink, and chronicle the "efficacious" cures it has brought about, such as inducing morbid obesity to cure a weak appetite, or bringing about a sex change as a remedy for freckles.

Fraydele Oysher: Fraydele Oysher (October 3, 1913 – January 5, 2004) was an American Yiddish theater actress and musical performer.  She was one of the first female singers to publicly perform cantorial music.  She was the mother of American actress and comedian Marilyn Michaels and Michael Sternberg, the sister of American actor and cantor Moishe Oysher, and the wife of Harold Sternberg, a Broadway and Metropolitan Opera performer.  Throughout her career, she performed in the United States, Canada, South America, and Cuba.

D. S. Bradford: D. S. Bradford (born David Scott Bradford, December 10, 1982) is an American musical artist, singer-songwriter, performer, vocalist, guitarist, and composer from Philadelphia, Pennsylvania.  In addition to being a musical performer, Bradford is a visual artist whose works are mostly considered to be surrealism.  An example of which is his album art for "Oceans," his debut single (released July 1, 2014).

The Yorkshire Musical Saw Player: Charles Hindmarsh, stage name The Yorkshire Musical Saw Man, is an English musical performer who specialises in the playing of the musical saw.

The Scaffold: The Scaffold were a comedy, poetry and music trio from Liverpool, England, consisting of musical performer Mike McGear (real name Peter Michael McCartney, the brother of Paul McCartney), poet Roger McGough and comic entertainer John Gorman.

Pink rain lily: Pink rain lily, pink fairy lily, pink zephyr lily, and pink magic lily are the common names of several species of flowering plants belonging to the genera "Zephyranthes" and "Habranthus" (rain lilies):

Supporting paragraphs: Lily the Pink (song) The Scaffold
Answer: Mike McGear