Conversation so far:
Was Underworld an album?
band had plans to get together in the following months and begin writing a follow up to Underworld.
Were they successful in writing the follow up?
On July 14, 2017, Adrenaline Mob was involved in a serious vehicular accident, which resulted in severe injuries for Allen and two deaths.
Did the band take a break after that?
CANNOTANSWER.
Are there any other interesting aspects about this article?
As of December 11, 2014, recording of the drums, lead vocals, rhythm guitar, and bass were complete.
Did they put out an album?
a release date of July 24, 2015.

Question: What was it called?
Self-contained rewrite: What was Symphony X's July 24, 2015 album called?