Question: The composer of Wedding in Malinovka was the second head of what organization?

Context paragraphs:
Paul Weir (basketball): Paul Michael Weir (born June 12, 1979) is the head men's basketball coach at the University of New Mexico.  He was named head coach on April 11, 2017 as the successor to Craig Neal, his second head coaching position at the college level.

Kujō Michifusa: Kujō Michifusa (九条 道房 , 1609 – 1647) , son of regent Yukiie, was a "kugyō" or Japanese court noble of the Edo period (1603–1868).  He held a regent position sesshō in 1647.  He married a daughter of second head of Echizen Domain Matsudaira Tadanao.  One of the couple's daughters married regent Kujō Kaneharu who they adopted as son, and their second and fifth daughters are consorts of third head of Hiroshima Domain Asano Tsunaakira.

Wedding in Malinovka: Wedding in Malinovka (Russian: Свадьба в Малиновке , "Svadba v Malinovke") is a 1967 Soviet musical comedy film directed by Andrei Tutyshkin based on an operetta by Boris Aleksandrov adapted by Leonid Yukhvid.

Boris Alexandrovich Alexandrov: Boris Alexandrovich Alexandrov (Russian: Борис Александрович Александров , August 4, 1905 Bologoye – June 17, 1994 Moscow) was a Soviet Russian composer, and, from 1946 to 1986, the second head of the Alexandrov Ensemble which was founded by his father, Alexander Vasilyevich Alexandrov.  Alexandrov reached the rank of Major-General and was awarded the order of Hero of Socialist Labour, the Lenin Prize and the State Prize of the USSR, and named People's Artist of the USSR.  Music by Alexandrov is used for the Anthem of Transnistria.

Enoch J. Mills: Enoch Josiah "Joe" Mills (July 23, 1878 – October 3, 1935) was an American football, basketball, and baseball player and coach.  He served as the eighth head football coach at Baylor University, coaching two seasons from 1908 to 1909 and compiling a record of 8–8.  Mills was also the second head basketball coach at Baylor, coaching two seasons from 1909 to 1910 and tallying a mark of 19–10.  In addition, he was the head baseball coach at Baylor in 1909, amassing a record of 9–12.

Marty Feldman (American football): Martin "Marty" Feldman (September 12, 1922 – December 5, 2015) was the second head coach of the American Football League's Oakland Raiders.  He became head coach on September 18, 1961, following the dismissal of Eddie Erdelatz.  His overall record as head coach was 2-15.  He was succeeded by Red Conkright on October 16, 1962.

George Denman (American football): George Edward Denman (March 23, 1874 – June 6, 1952) was an American teacher and football, basketball, and baseball coach.  He served as the third head football coach at Michigan Agricultural College, now known as Michigan State University, from 1901 to 1902, compiling a record of 7–9–1.  Bemies was also the second head basketball coach at Michigan Agricultural from 1901 to 1903, tallying a mark of 11–0, and the head coach of Michigan Agricultural's baseball team from 1902 to 1903, where his record was 9–15–1.

Niles Nelson: Niles Nelson is an American football coach.  He served as the head football coach at Husson University from 2009 to 2010.  He became the program's second head coach in 2009 after the surprising resignation by Jonathan "Gabby" Price, the first head coach who had served since 2003.

Mark Mazzoleni: Mark Mazzoleni is an American ice hockey coach.  He was the head coach of the Wisconsin–Stevens Point Pointers from 1985 thru the end of the 1991, winning 3 consecutive Division III National Titles.  After 1991 he took a position as an assistant coach at the University of Minnesota for three seasons before he got the opportunity to be the head coach of a Division I school.  Mazzoleni stepped into the Miami job after George Gwozdecky left and while he had success with the team (3 winning seasons in 5 years), he could not sustain the high level of success his predecessor had achieved.  He was able to parlay his experience at Miami into a second head coaching job, this time at Harvard, replacing the embattled Ronn Tomassoni who had not led the Crimson to a winning season in 5 years.  After a one-season hangover Mazzoleni returned Harvard to ECAC prominence, winning the conference tournament in both 2002 and 2004 while finishing as the runner-up in 2003.

Eugen Cristescu: Eugen Cristescu (3 April 1895 – 12 June 1950) was the second head of the Kingdom of Romania's domestic espionage agency, the Secret Intelligence Service (SSI), forerunner of today's SRI.  He previously served as head of Siguranța Statului, the secret police.

Supporting paragraphs: Wedding in Malinovka Boris Alexandrovich Alexandrov
Answer: Alexandrov Ensemble