Question: Who composed the musical that Corey Cott stared in as Donny Novitski?

Context paragraphs:
Donny &amp; Marie (1998 TV series): Donny & Marie is an American talk show hosted by Donny and Marie Osmond, that aired in syndication from September 1998 to May 2000 and was produced by Dick Clark.  The show had a "house band", featuring Jerry Williams (musical director/keyboards), Kat Dyson (guitar), Paul Peterson (bass), and Nick Vincent (drums).

Eartha (musician): Eartha, born Eartha Moore in Los Angeles, California, is an American female eclectic, alternative soul singer, songwriter, and musician.  The 5’11” sultry raspy-voice contralto who sports a honey-blonde buzz cut has garnered much attention in the underground club, urban, and indie circles.  While her musical style is a hybrid of many and evades categorization, she credits her biological mother Zinna Moore, Stevie Wonder and Donny Hathaway as her main musical influences.

Make the World Go Away: "Make the World Go Away'" is a country-popular music song composed by Hank Cochran.  It has become a Top 40 popular success three times: for Timi Yuro (during 1963), for Eddy Arnold (1965), and for the brother-sister duo Donny and Marie Osmond (1975).  The original version of the song was recorded by Ray Price during 1963.  It has remained a country crooner standard ever since.

Billy Noname: Billy Noname is an Off-Broadway musical with music and lyrics by Johnny Brandon and a book by William Wellington Mackey.  It ran for 48 performances at the Truck and Warehouse Theater, from March 2, 1970 to April 12, 1970.  Lucia Victor directed, and the role of Billy Noname was played by Donny Burks.  The musical tells the story of a black man growing up.  A recording of the original cast was released in 1996.

Mulan (soundtrack): Mulan: An Original Walt Disney Records Soundtrack is the soundtrack for the 1998 Disney animated feature film, "Mulan".  Released by Walt Disney Records on June 2, 1998, the album featured songs by Matthew Wilder and David Zippel, conducted by Paul Bogaev, and score composed and conducted by Jerry Goldsmith.  Vocalists included Lea Salonga, Donny Osmond, 98 Degrees, Jaz Coleman, Stevie Wonder and Christina Aguilera.

Hey Girl (Freddie Scott song): "Hey Girl" is a song written and composed by Gerry Goffin and Carole King.  It first became a popular Top ten hit on the "Billboard" Hot 100 in 1963 when recorded by Freddie Scott.  Donny Osmond took the song back to the "Billboard" top ten chart with his remake in 1971.  There have also been many other cover versions of this song, including a cover by Billy Joel in 1997.

Corey Cott: Corey Michael Cott (born March 30, 1990) is an American actor and singer.  He is best known for playing Jack Kelly in the Broadway musical, "Newsies," replacing Jeremy Jordan and for originating the role of Donny Novitski in the Broadway musical "Bandstand".

I Knew You When: "I Knew You When" is a song written and composed by Joe South.  It became a popular hit in 1965 when recorded by American pop and country singer Billy Joe Royal.  There have also been several other hit cover versions of this song, including Donny Osmond and Linda Ronstadt.

Bandstand (musical): Bandstand is an original musical composed by Richard Oberacker with book and lyrics by Oberacker and Robert Taylor.

Paul Begaud: Paul Begaud is an Australian born songwriter, record producer and singer.  He has written and/or produced songs for artists including Delta Goodrem, Tina Arena, Human Nature, Terri Clark, Honeyz, R&B Singer Selwyn (singer), Donny Osmond and country hall of fame star Wynonna Judd.  Begaud’s most notable songs include the US Country #1 “Now That I Found You” recorded by Terri Clark and the UK R&B #1 “End of the Line” (Top 5 UK Pop Charts) recorded by UK girl group Honeyz.  Begaud also composed the song “Dare to Dream” for the Sydney Olympic Games Opening Ceremony performed by Olivia Newton-John and John Farnham before a global audience of 4.5 billion.  Begaud is a 3 x ARIA Producer Of The Year nominee.

Supporting paragraphs: Corey Cott Bandstand (musical)
Answer: Richard Oberacker