Question: Who composed the theme music in 1989 of an animated television series which has the current arrangement by a person who  has scored or orchestrated music for more than 30 films and television shows?

Context:
Richard Pleasance
Richard Arnold Pleasance is an Australian rock musician and producer.
 He was a founding member of Boom Crash Opera on guitar, bass guitar, vocals and as a songwriter in 1985; they released three albums before Pleasance left in 1992.
 Their hit Australian Recording Industry Association (ARIA) singles, "Great Wall" (No. 5, 1986) and "Onion Skin" (No. 11, 1989) were co-written by Pleasance, who also co-produced their second album, "These Here Are Crazy Times" (No. 10, 1989).
 His debut solo release, "Galleon" received four nominations at the ARIA Music Awards for 1992.
 Pleasance composed the theme music for Australian television series, "SeaChange" (1998–2001), for 2006 feature film "Kenny" and more recently he composed the theme music for the prison drama series "Wentworth".
 Pleasance is married to Michelle and, as from May 2009, he was living in Hepburn Springs, Victoria where he has a recording studio.
List of Meine Liebe episodes
The anime from Bee Train studio was directed by Koichi Mashimo and had Minako Shiba as the character designer.
 The first season of the anime was aired on the Animax network on November 2004 and the second season on January 2006.
 Though adapted from a dating sims game, the anime pushed aside the main character of Erika, and she makes only brief appearances during the series.
 can / goo performed by the opening theme music for the first season, "Mark" (刻印 , Shirushi ) , and the ending theme music, "Face" (顔 , Kao ) ; both were arranged by Koichiro Tokinori and composed by POM, with lyrics by Tapiko.
 alice nine.
 performed the opening theme music for the second season, "Dawn" (暁 , Akatsuki ) , and the ending theme music, "A Thousand Million Chandeliers" (幾億のシャンデリア , Ikuoku no Chandelier ) .
James Dooley (composer)
James Michael "Jim" Dooley (born August 22, 1976 in New York City, New York) is an American film score composer.
 Dooley studied music at New York University, majoring in music composition.
 After finishing the university he moved to Los Angeles, where he studied music with prolific film score composers Christopher Young, Elmer Bernstein and Leonard Rosenman.
 In 1999, he started working for Hans Zimmer as his chief technical assistant.
 He works in Santa Monica, in Hans Zimmer's film music studio Remote Control Productions (formerly "Media Ventures").
 He composed, arranged, and orchestrated music for films like "" and "The Da Vinci Code".
 He also composed music for "inFAMOUS 2", the Epic Mickey series and worked with Celldweller and Tarja Turunen.
 He released his debut album, "Veiled Nation", in 2013.
Disney's Adventures of the Gummi Bears
Disney's Adventures of the Gummi Bears is an American animated television series that first aired in the United States from 1985 to 1991.
 The series was the first animated production by Walt Disney Animation Television, and loosely inspired by the gummy bear candies; Disney CEO Michael Eisner was struck with inspiration for the show when his son requested the candies one day.
 The series premiered on NBC on September 14, 1985, and aired there for four seasons.
 The series moved to ABC for one season from 1989 to 1990 (airing alongside "The New Adventures of Winnie the Pooh" as the "Gummi Bears-Winnie the Pooh Hour"), and concluded on September 6, 1991 as part of the Disney Afternoon television syndication package.
 Of the series' 65 shows, 30 were double-features, consisting of two 11-minute cartoons, thereby bringing the series total to 94 distinct episodes overall.
 The show is well-remembered for its theme music, written by Michael and Patty Silversher and creation of "gummiberry juice" which was a type of magic potion, granting abilities, which allowed them to bounce away from their hunters.
 The theme song was performed by Joseph Williams, son of composer John Williams and one-time lead singer of Toto.
Alf Clausen
Alf Heiberg Clausen (born March 28, 1941) is an American film and television composer.
 He is best known for his work scoring many episodes of "The Simpsons", of which he had been the sole composer between 1990 and 2017.
 Clausen has scored or orchestrated music for more than 30 films and television shows, including "Moonlighting", "The Naked Gun", "ALF" and "Ferris Bueller's Day Off".
Larry Groupé
Lawrence Nash Groupé, born April 1957, best known as Larry Groupé, is an American film score composer for Immediate Music's offshoot label, Imperativa Records.
 Groupé has composed and orchestrated music for dozens of films and television programs.
 His most popular works include the score for Rod Lurie's movies "Deterrence" and "The Contender".
 Groupé has been nominated four times for an Emmy award, and won three.
 In 2004, he was nominated for an Emmy for the best original score for the TV series "Line of Fire".
 He later won Emmys for the score of the documentary film "," for the short subject film "Residue," about the US early involvement in Cambodia, and for .
List of Beelzebub episodes
Beelzebub (べるぜバブ , Beruzebabu ) is a 2011 Japanese anime television series based on Ryūhei Tamura's manga series of the same name.
 The animated series was produced by Studio Pierrot+ under the direction of Yoshihiro Takamoto.
 The series follows high school delinquent Tatsumi Oga, who is forced to raise Beelzebub, the son of the Devil King who was sent to earth to destroy humanity.
 An original video animation was shown at the Jump Super Anime Tour between October 23 and November 21, 2010.
 The television series began airing in Japan on Yomiuri TV from January 9, 2011.
 The opening theme for the OVA is "Appare☆Boss Appears!
 Beelzebub" (アッパレ☆番長参上!べるぜバブ , Appare☆ Banchō Sanchō!
 Beruzebabu ) by Takeuchi Hiroaki.
 The television series uses six pieces of theme music, three openings and three endings.
 The first opening theme used between episodes 1 to 10 is "DaDaDa" (だだだ ) by Group Tamashii, while the second opening theme, used from episode 11-23, is "The First Goodbye" (始まるのは, サヨナラ , Hajimaru no wa, Sayonara ) by On/Off.
 The third opening theme, "Hey!!!"
 by FLOW is used from episodes 24 onward.
 The fourth opening theme Baby U!
 by MBLAQ is used from episodes 36 to 48.
 The fifth opening theme is Only you -Kimi to no Kizuna- by Lc5 is used from episodes 49 onward.
 The first ending theme used for episodes 1-10 is "Answer" by no3b, while the second theme, used from episode 11-23 is "Show of Courage" (つよがり , Tsuyogari ) by Shoko Nakagawa.
 The third ending theme, "Nanairo Namida" by Tomato n'Pine is used from episodes 24 to 35.
 The fourth ending is "Papepipu Papipepu papepipupo" by Nozomi Sasaki is used from episodes 36 to 48.
 The fifth ending is Shōjo Traveler by 9nine is used from episodes 49 onward.
Michelangelo Sosnowitz
Michelangelo Sosnowitz (born August 21, 1973) is an American music composer.
 His works include ballet, musical theater, electronic and popular music, as well as commercial, television and film.
 His feature film scores include A Novel Romance, winner Best Film at the NYC International Independent Film Festival, the Dan Fogler directorial debut Hysterical Psycho and the Deborah Kampmeier film Split.
 His original ballet 'Petrouchka' won Best Choreography at NYMF 2010.
 He wrote the opening theme music to The History Channel show Battles BC and original theme music for ENTV, Deadline Hollywood BlackTreeMedia and other PMC programming.
 He also wrote the score and theme music to the Colin Quinn Web series COP SHOW.
 Original Off-Broadway musicals include Crazy Head Space and Love in the MIddle Ages.
The Simpsons Theme
"The Simpsons" Theme", also referred to as "The Simpsons" Main Title Theme" in album releases, is the theme music of the animated television series "The Simpsons".
 It plays during the opening sequence and was composed by Danny Elfman in 1989, after series creator Matt Groening approached him requesting a retro-style theme.
 The piece, which took 3 days, 2 hours, 48 minutes, and 19 seconds to create, has been noted by Elfman as the most popular of his career.
 The theme, as used for the opening sequence, was re-arranged during season 2, and the current arrangement by Alf Clausen was introduced at the beginning of the third season.
Diwa de Leon
Diwa de Leon is a composer, arranger and musician based in Manila, Philippines.
 He makes music mainly for television shows, films, and stage productions.
 His most notable work is his arrangement of GMA Network's "Survivor Philippines" theme music.
 His songs included in "Emir".
 He won the Cinema One Originals Best Musical Score award for his work on the film "Kolorete" and Best Music Score for "Kamera Obskura" at the 8th Cinemalaya Independent Film Festival.
 He is also a founding member of the world music group Makiling.
 His first mainstream film project is Mamarazzi produced by Regal Films.

Answer: Danny Elfman