Question: "Rockstar" is a song by American rapper Post Malone, the track features a guest verse from Shayaa Bin Abraham-Joseph, better known by his stage name 21 Savage, is an American rapper from Atlanta,in which state?

Context articles: Congratulations (Post Malone song)
Rockstar (Post Malone song)
Go Flex
Bend Ova
August 26th (mixtape)
Too Young (Post Malone song)
Issa Album
White Iverson
21 Savage
Deja Vu (Post Malone song)

"Congratulations" is a song by American rapper Post Malone.
 It was released on November 4, 2016, by Republic Records as the first promotional single from his debut studio album, "Stoney".
 It was then released on January 31, 2017, as the fifth single from "Stoney".
 The track features vocals from Quavo, and was produced by Metro Boomin, Frank Dukes and Louis Bell.
 The track peaked at number eight on the US "Billboard" Hot 100, becoming his highest peaking single on the chart, surpassing the number 14 peak of his debut hit, "White Iverson", until it was again surpassed by his track "Rockstar" featuring 21 Savage, which peaked at number 2.
"Rockstar" is a song by American rapper Post Malone.
 It was released on September 15, 2017, by Republic Records as the first single from his upcoming project "Beerbongs & Bentleys".
 The track features a guest verse from fellow American rapper 21 Savage, and was produced by Tank God and Louis Bell (who co-produced his hit single "Congratulations").
 It was written by Post Malone, 21 Savage, Louis Bell and Olufunmibi Awoshiley.
"Go Flex" is a song by American rapper Post Malone.
 It was released on April 21, 2016, by Republic Records as the third single from his debut studio album, "Stoney".
 The track was produced by Charlie Handsome and Rex Kudo.
"Bend Ova" is a single by American rapper and producer Lil Jon released on July 22, 2014 as the follow-up to his highly successful single "Turn Down for What".
 The track features a guest verse by American rapper Tyga and was produced by Lil Jon and Australian DJ and producer Kronic.
August 26th is the debut mixtape by American rapper Post Malone.
 It was released on May 12, 2016, by Republic Records on DatPiff.
 The mixtape features guest appearances from Larry June, 2 Chainz, FKi 1st, Jeremih, Lil Yachty, Jaden Smith, and Teo.
"Too Young" is a song by American rapper Post Malone, released on October 9, 2015, by Republic Records as the second single from his debut studio album, "Stoney".
 The track was written by Austin Post, Michael Hernandez, Carlos Suarez, Justin Mosley, Trocon Roberts Jr. and Steven Bolden.
 This song was dedicated to ASAP Yams, Christian Taylor and Chinx.
Issa Album is the debut studio album by American rapper 21 Savage.
 The album was released on July 7, 2017 by Slaughter Gang and Epic Records.
 It features production from frequent collaborator Metro Boomin, alongside Southside, Pi'erre Bourne, Zaytoven, Wheezy, DJ Mustard and 21 Savage himself.
 It succeeds 21 Savage's collaborative EP with Metro Boomin, "Savage Mode" (2016).
"White Iverson" is the debut single by American rapper Post Malone.
 It was released on August 14, 2015, by Republic Records, as the lead single from his debut studio album, "Stoney".
 The track was produced by Post Malone and Rex Kudo.
 It peaked at number 14 on the "Billboard" Hot 100.
Shayaa Bin Abraham-Joseph (born October 22, 1992), better known by his stage name 21 Savage, is an American rapper from Atlanta, Georgia.
 He was best known for his mixtapes, "The Slaughter Tape" and "Slaughter King" and his extended plays "Free Guwop" and "Savage Mode" with Metro Boomin before the release of his debut album, "ISSA" and its lead single, "Bank Account".
"Deja Vu" is a song by American rapper Post Malone.
 It served as the fourth single from his debut studio album, "Stoney".
 The song features vocals from Canadian singer Justin Bieber and was released on September 8, 2016, by Republic Records.
 The song was produced by Frank Dukes and Vinylz.