Q:Information:  - Alabama is a state in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama is the 30th-most extensive and the 24th-most populous of the U.S. states. At nearly , Alabama has one of the nation's longest navigable inland waterways.  - Sunrise Over A Sea Of Blood is the second album from the Christian Deathcore band Mortal Treason. It is the first album to feature, bassist TJ Alford, pianist Elizabeth Kimbrough, drummer Steve Robinson, and rhythm guitarist Adam Wright.  - A Call to the Martyrs is the debut album from the Christian deathcore band Mortal Treason .  - Christian metal, also known as white metal or heavenly metal, is a form of heavy metal music usually defined by its message using song lyrics as well as the dedication of the band members to Christianity. Christian metal is typically performed by professed Christians sometimes principally for Christians who listen to heavy metal music and often produced and distributed through various Christian networks.  - Mortal Treason is an American Christian metal band from the Huntsville, Alabama area. Their first album "A Call to the Martyrs" was released in 2004. Then after major lineup changes, its second album "Sunrise Over a Sea of Blood" was released in 2005. After a quick tour, Mortal Treason decided to disband. On December 8, 2014, The original members (minus one, plus one) returned and are currently writing new material. The band is currently on a brief hiatus due to family issues and jobs and will reconvene when possible.    Given the paragraphs above, decide what entity has the relation 'followed by' with 'sunrise over a sea of blood'.
A:
a call to the martyrs