Park Se-yoon (; born October 16, 1989), more commonly known as Crucial Star (), is a South Korean rapper and record producer. He started writing music at the age of 17 and joined the hip hop duo Libra Twins in 2007, before debuting as a solo rapper in 2010. He released his first EP, A Star Goes Up, in 2011.

Biography Park Se-yoon was born on October 16, 1989, in Seoul, South Korea. His father is the painter Hang-Ryul Park.

He made his musical debut at the age of seventeen in the hip hop group Libra Twins. Several years later, he signed with independent hip hop label Soul Company, working under the name Crucial Star. He and label mate Mad Clown collaborated on the digital album Mad Clown VS Crucial Star in 2010. The following year, he released his first EP, A Star Goes Up, and his first full-length album, A Star From The Basement.

Following the dissolution of Soul Company in 2012, Crucial Star moved to Grandline Entertainment. While with Grandline, he released two mix tapes, Drawing #1: A Dream Spokesman (2012) and Drawing 2: A Better Man (2013), two albums, FALL (2012) and Midnight (2014), and one EP, Boyhood (2015).

In 2015 he appeared as a contestant on Mnet television rap contest Show Me the Money 4. He was eliminated in the preliminary round after forgetting his lyrics. In October 2015, Crucial Star's agency published a statement announcing that he and Unpretty Rapstar 2 contestant Heize were in a relationship. A week after this announcement, it was reported that they had broken up several months prior.

He left Grandline Entertainment in January 2016 when his contract ended. In April, he signed with C-JeS Entertainment.

Discography

Studio albums Title Album details Peak chart positions KOR

Midnight Released: October 16, 2014 Label: Grandline Entertainment Formats: CD, digital download 29 Maze Garden Released: December 11, 2018 Label: VAKER Formats: CD, digital download 98 Serenity, Courage, WisdomReleased: October 8, 2021 Label: Starry Nightt Music Formats: CD, digital download —

Extended plays Title Album details Peak chart positions KOR A Star Goes Up Released: January 27, 2011 Label: Soul Company Formats: CD, digital download 46 A Star From The Basement Released: August 4, 2011 Label: Soul Company Formats: CD, digital download 26 Fall Released: November 27, 2012 Label: Grandline Entertainment Formats: CD, digital download 19 Boyhood Released: May 7, 2015 Label: Grandline Entertainment Formats: CD, digital download 26 Fall 2 Released: October 28, 2016 Label: C-JeS Entertainment Formats: CD, digital download 49 starry night '17 Released: September 22, 2017 Label: VAKER Formats: CD, digital download 48 Half A Wing Released: October 17, 2019 Label: VAKER Formats: Digital download— Sense and Sensibility () Released: November 17, 2020 Label: Starry Nightt Music Formats: CD, digital download— Gold () (with QM) Released: February 28, 2023 Label: Daytona Entertainment Formats: CD, digital download—

Mixtapes Title Album details Peak chart positions KOR Drawing #2: A Better Man Released: November 25, 2013 Label: Grandline Entertainment Formats: CD, digital download— Drawing #3: Untitled Released: March 30, 2016 Label: FISB-) Formats: CD, digital download83

Singles Title Year Peak chart positions Album KORCircle Digital Chart positions:

"A Winter Love Song": "Three Things I Want to Give You": "Show Me Your Light": "Paris": "Ain't Nobody Like You": "You Can Rest": "Ajushi": "I Just Want U"2010— rowspan="2" "Catch Me If U Can"— "New Generation" 2011—A Star Goes Up "Tonight" — "Chocoholic (Rebirth)"—A Star From The Basement "Can't Go Out" () — "What's This Art For"— "I'm OK" ()—Fall "Flat Shoes" 2012— "Real Love" — "Drinks Up"2013—Drawing #2: A Better Man "A Winter Love Song"86 rowspan="3" "Three Things I Want to Give You" () 201432 "Show Me Your Light" 60 "Paris"91Midnight "Pretty Girl" — "A Store That Sells Dreams" () — "The Youngest Son" ()2015—Boyhood "AIA" — "Love Yourself"— rowspan="2" "The Bench" ()2016— "One"—Drawing #3: Untitled "Strength" () — "Ain't Nobody Like You" () 92Fall 2 "Fall" () — "You Can Rest" () 201791Maze Garden "Study Abroad" () —starry night '17 "Night Alone" ()2018—Maze Garden "Think" ()— "Singer Songwriter" —Maze Garden "Direct Message" — "Grandma" ()— "2 Faces" ()— "Just A Song"— "Cigarette"2019— "It's a different thing to love her and make her happy" () —Half A Wing "Hammock" () — "Work To Do" ()—Half A Wing "Please Lie to Me" () — rowspan="3" "Telescope" () 2020— "Stranger" ()— "Call Me Right Now"—Hwaak! "Don't Be Blue" ()—Good Night, Starry Night "Starry Nightt Gang" —Starry Night Vibe "Your Night" ()—Sense and Sensibility "White Out" () —Good Night, Starry Night "Even Though I Love You" () 2021— "Cherry Blossom"— "Humming"—Serenity, Courage, Wisdom "Mamba Mentality"— "The Evil is Easy, The Good is Hard" ()— "2022" 2022— rowspan="7" "It's Always Just the Beginning" ()— "A Solitary Man" ()— "Memento Mori"— "100 Bars" ()— "Green Thumb" () — "Free Haee" () — "Fisherman" —Good Night, Starry Night "Sky" ()— "Tourist"— "Ajushi" () 44Show Me the Money 11 Episode 1 "Jungle Radio" () 2023—Gold "Jet Ski" — "come to my stu" (Remix) — rowspan="3" "Number One" — "Starry Night" — "Good Night, Starry Night" ()—Good Night, Starry Night "Fallen Leaves" ()— rowspan="5" "Monica Bellucci"— "Nihilism Watch" ()2024— "2009" — "Say No!" —

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