Question: Anthony Green and Han Seung-yeon share what occupation?

Context paragraphs:
Avalon (Anthony Green album): Avalon is the debut solo album by current Saosin and current Circa Survive, vocalist Anthony Green.  It was released August 5, 2008 on Photo Finish Records, with a US tour to coincide with its release.  Keith Goodwin, Tim Arnold, and Dan Schwartz (also known as the band Good Old War) have guest appearances on this record.  The album leaked in its entirety on August 1, 2008.  Anthony Green's Avalon is being made available on vinyl LP.  The package includes the limited Vinyl LP and Digital Remix CD of Avalon, remixes created by Colin Frangicetto of Circa Survive.

Anthony Green (musician): Anthony Green (born April 15, 1982) is an American musician from Doylestown, Pennsylvania.  He is currently the lead singer of Circa Survive and Saosin, while also maintaining a solo career.  He was previously in the bands The Sound of Animals Fighting, Audience of One, Jeer at Rome, High and Driving, and Zolof the Rock and Roll Destroyer.  Green is known for his high tenor vocal range.

Age of Youth 2: Age of Youth 2 () is a South Korean television series starring Han Ye-ri, Han Seung-yeon, Park Eun-bin, Ji Woo and Choi Ah-ra.  It is the sequel to the 2016 drama "Age of Youth".  The series premiered on August 25, 2017 and airs on cable network JTBC on Fridays and Saturdays at 23:00 (KST).

High and Driving: High and Driving is a side project formed by Anthony Green, the current vocalist of Circa Survive, and Tim Arnold, the then-drummer of Days Away and current drummer of Good Old War.  Anthony Green plays every instrument aside from drums.  "High and Driving", a four-track EP, is the duo's only release.

Translating the Name: Translating the Name is the debut EP by American rock band Saosin, released on June 17, 2003 through Death Do Us Part.  The album was released before Anthony Green departed from the band to form the rock band Circa Survive.  It is also the band's only release to feature bass guitarist Zack Kennedy, as well as the only release to not feature drummer Alex Rodriguez.  Guitarist Beau Burchell stated that Rodriguez intended to track the drums for Translating the Name but had a prior commitment with his former band Open Hand before he could join.  Pat Magrath was hired as a session musician and performed with Saosin briefly before Rodriguez joined.

Karl Green: Karl Anthony Green (born 31 July 1947 in Salford, England) is an English songwriter, musician and bassist who was the bass guitarist and backing singer for the 1960s British band Herman's Hermits, which featured Peter Noone.  Green co-wrote a number of songs for the band, and was a capable player but was replaced by session players on some of the later Herman's Hermits tracks which were billed as "Herman's Hermits Featuring Peter Noone".  Green nevertheless played on many Herman's Hermits recordings.  Green was in Herman's Hermits from its creation until 1980, when he left to pursue a life outside of music.

Saosin: Saosin is an American rock band from Orange County, California, United States.  The band was formed in 2003 and recorded its first EP, "Translating the Name", that same year original vocalist Anthony Green left Saosin due to personal reasons.  In 2004, Cove Reber replaced Green as vocalist after auditioning for the role.  The group recorded its self titled debut album which was released on Capitol Records on September 26, 2006.  Their second studio album, "In Search of Solid Ground", was released on September 8, 2009 on Virgin and contains three re-recorded tracks off of "The Grey EP".  Reber departed from the band in 2010 and subsequently went on a three-year hiatus.  In 2013, the band reformed with all original members, except Zach, and began touring.  They released their third studio album and their first studio album, "Along the Shadow", with original vocalist Anthony Green on May 20, 2016 through Epitaph Records.  It is also the album that marks the final feature lead guitarist Justin Shekoski.

Age of Youth: Age of Youth () is a South Korean television series starring Han Ye-ri, Han Seung-yeon, Park Eun-bin, Ryu Hwa-young and Park Hye-soo.  It replaced "Mirror of the Witch" and aired on cable network JTBC on Fridays and Saturdays at 20:30 (KST) for 12 episodes from July 22 to August 27, 2016.

Han Seung-yeon: Han Seung-yeon (born July 24, 1988), better known mononymously as Seungyeon, is a South Korean singer and actress.  She is best known as former main vocalist of the South Korean girl group Kara.

Jeremiah Green (gridiron football): Jeremiah Anthony Green (born May 8, 1990) is an gridiron football outside linebacker who is currently a free agent.  He played college football at the University of Nevada.  He is the brother of Denver Broncos tight end Virgil Green.

Supporting paragraphs: Anthony Green (musician) Han Seung-yeon
Answer: singer