There are 6 artists sharing this name: 1)Xibalba is a Heavy Hardcore/Metal band from Pomona California. They are influenced by Disembodied, Morbid Angel, Martyr A.D., Santa Sangre, Bloodlet, Obituary, Crowbar, Unbroken, Earth Crisis, Downset, Overcast, and Sepultura.
http://www.myspace.com/placeoffear
2) Xibalba is a mexican Black Metal band formed in 1992. Their lyrics are mainly about Maya mythology and anti-christianity, some are written in latin and some in english.