Question: Mark Heard was originally from the city nicknamed what?

Context paragraphs:
Mosaics (album): Mosaics is an album by Mark Heard, released in 1985 on Home Sweet Home Records.  According to the liner notes in "Ashes and Light", this album was recorded first but delayed by the record company who wanted the less rock-oriented "Ashes" released first.  Consequently, this was the first album recorded in Heard's own Fingerprint Recording Studio.

Strong Hand of Love: A Tribute to Mark Heard: Strong Hand of Love: A Tribute to Mark Heard is a compilation of songs by various artists in tribute to songwriter, Mark Heard.

Mark Heard: John Mark Heard (December 16, 1951 – August 16, 1992) was an American record producer, folk rock singer, and songwriter originally from Macon, Georgia, United States.  Heard released 16 albums, and produced and performed with many other artists as well, such as Sam Phillips (a.k.a. Leslie Phillips), Pierce Pettis, Phil Keaggy, Vigilantes of Love, Peter Buck of R.E.M. (who co-produced VOL's album "Killing Floor" with Heard), John Austin, The Choir, Randy Stonehill and Michael Been of The Call.  Heard produced part of Olivia Newton-John's "The Rumor", which also included a cover of Heard's own "Big and Strong" (originally called "How to Grow Up Big and Strong").

Tribal Opera: Tribal Opera is an album by Mark Heard (using the pseudonym iDEoLA), released in 1987 on What?  Records.  It is a full-on solo project, put together by Heard in his home studio using samples and acoustic, electric and electronic instruments.  The band name iDEoLA has no particular meaning; of it Heard said, It's not supposed to be mysterious or anything; I just put a band together and right now I happen to be the only one in it."  The album was a bold step away from the country/folk-rock atmosphere of much of Heard's prior and subsequent music.

Mark Heard (album): Mark Heard is the first solo album by Mark Heard, originally released in 1975, and re-released as On Turning to Dust on both AB Records and Solid Rock Records in 1978.

Satellite Sky: Satellite Sky is the title of the final album by Mark Heard, released in 1992, on Heard's own Fingerprint Records, shortly before his death.

Macon, Georgia: Macon (officially Macon–Bibb County) is a city located in the state of Georgia, United States.  Macon lies near the geographic center of the state, approximately 85 mi south of Atlanta, hence the city's nickname "the Heart of Georgia."

Orphans of God: Orphans of God is a 1996 two-CD compilation of songs performed by various artists in tribute to songwriter Mark Heard.  Recorded and released after Heard's death in 1992, proceeds from the album benefit the Heard Family Fund.  This album was listed at #25 in the book, "".

Second Hand (album): Second Hand is an album by Mark Heard, released in 1991, on Heard's own Fingerprint Records.  The album was listed at No. 4 in the book "CCM Presents: The 100 Greatest Albums in Christian Music" (Harvest House Publishers, 2001).

High Noon (Mark Heard album): High Noon is the title of "Best of" and rarities collection by Mark Heard, released in 1993, on Heard's own Fingerprint Records.

Supporting paragraphs: Mark Heard Macon, Georgia
Answer: "the Heart of Georgia."