Question: Did Kan Mi-youn and Derek St. Holmes both work in the music industry?

Context paragraphs:
Brent Fitz: Brent Fitz (born March 27, 1970) is a Canadian American musician and multi-instrumentalist.  In his career, he has worked with Slash, Myles Kennedy, Theory of a Deadman, Alice Cooper, Vince Neil, Union, Gene Simmons, The Guess Who, Brad Whitford from Aerosmith, Derek St. Holmes, Ronnie Montrose, Indigenous, Lamya, Streetheart, Harlequin, and Econoline Crush.

Stranglehold (Ted Nugent song): "Stranglehold" is a single and the first track from Ted Nugent's self-titled 1975 album.  The vocals are performed not by Nugent, but by Derek St. Holmes.  However, the "Sometimes you wanna get higher" verse is sung by Ted himself.  In Martin Popoff's book, "Epic Ted Nugent", Nugent admits that the song "Stranglehold" was co-written by Rob Grange, yet he never received a share for co-writer.  "Stranglehold" would set the stage for Nugent's career, a guitar-driven track over eight minutes long - its famous guitar solo having been recorded in a single take.

Cat Scratch Fever: Cat Scratch Fever is the third studio album by American guitarist and singer-songwriter Ted Nugent and his band, as well as the name of the album's title song.  Vocalist Derek St. Holmes, who had left the band during the recording of the album "Free-for-All", had come back for touring in 1976 and was again the lead singer on this album.

Latvian Music Producers Association: The Latvian Music Producers Association (LaMPA) is a National ISRC Agency of the International Federation of the Phonographic Industry with the task of representing the Latvian music industry for both national and international recording artists of all genres.  Goals of the organisation are supporting Latvian artists and producers and promote development of Latvian music industry and export of music produced in Latvia, to promote and support creation of competitive music records and increase utilization of Latvian music by educating Latvian performers and producers, to officially represent Latvian music industry in Europe and international showcases, fairs and exhibitions, and to educate members of Latvian music industry about the issues of music export and global trends.  The company also certifies albums and music videos based on unit sales and compiles the country's music chart.

Kan Mi-youn: Kan Mi-youn (born February 2, 1982) is a South Korean singer, model, radio show host, designer and business woman.  Kan was the leader singer in girl group Baby V.O.X from 1997 to 2006.  Following the group's breakup, Kan moved on to pursue a career as a solo artist.

Quinson Valentino: David Barry (born June 2, 1970) is a retired Canadian professional wrestler, trainer, and booker, best known by his ring name Quinson Valentino, who was a star on the independent circuit in eastern Canada and the Maritimes during the late 1990s and 2000s.  He also formed successful tag teams with Jerry Martell, Derek St. Holmes, and Cody Deaner, and is widely considered to be one of Ontario's best "heel" performers.

Derek St. Holmes: Derek St. Holmes (born February 24, 1953) is an American musician, best known as the vocalist and rhythm guitar player for Ted Nugent's early solo career.

Hey Baby (Ted Nugent song): "Hey Baby" is a rock single by the guitarist, vocalist and songwriter Ted Nugent from his first solo album, "Ted Nugent".  It was the only song in the whole album that Derek St. Holmes wrote and arranged himself.

Whitford/St. Holmes: Whitford/St.  Holmes is the self-titled debut of then ex-Aerosmith guitarist Brad Whitford and then ex-Ted Nugent vocalist Derek St. Holmes, released in 1981.

Indian Music Industry: The Indian Music Industry (IMI) is a trust that represents the recording industry distributors in India.  It was founded on February 28, 1936 as Indian Phonographic Industry (IPI).  It is the 2nd oldest music industry organization in the world that was involved in protecting copyrights of music producers and supporting growth of music entertainment industry.  In 1994, it was renamed as Indian Music Industry (IMI) and represented India at the International Federation of the Phonographic Industry (IFPI).  It is also registered with the West Bengal Societies Registration Act.  All major music labels in India are part of this association.  Record companies like Saregama India Ltd. (HMV), Universal Music (India), Tips_Industries_Limited, Venus, Sony Music Entertainment (India), Crescendo, Virgin Records, Magnasound, Milestone, Times Music and several other prominent national and regional labels are part of the IMI.  The IMI represents over 75% of all legal music sales in India.

Supporting paragraphs: Kan Mi-youn Derek St. Holmes
Answer: yes