There is more than one band with the name Hollow:

1) Hollow are a hardcore band from Newcastle, NSW, Australia.
They just got signed to Deadsouls Records and have a 7inch EP and CD out soon.

2) Hollow are a six piece metalcore/hardcore band from Buckinghamshire UK who are picking up a feersome reputation for special live shows on the local scene including recording for the BBC.

Starting as a 4 piece back in 2003 after a few musical differences the band split and re-formed in 2005 eventually adding a second guitarist, Mark Bunce.

After going through a selection of bass players the band found Duncan Lee (of Truth Will Out.) Hollow later added J-Me Osman (also of Truth Will Out) to create a crushing blend of dual vocals. With the new line up in place. Hollow have begun to write a mature, interesting and complex selection of songs drawing influence from bands such as Killswitch Engage, Sikth, Johnny Truant, 36 Crazy Fists, Dillinger Escape Plan, Lamb of God and INFlames.

3) Hollow, underground band from Beijing, China with a total of five members, having been active from 2003 to 2005 playing metal and metalcore music. More info:

http://web125.burns.kundenserver42.de/rockinchina/wiki/index.php/Hollow

4) Hollow, metal band from Pomona, NY that has been around for many years. Joe Hollow is the mastermind of the project.

5) The Hollow, American metal band, however being precise, this band has a distinct "The" in front of their band name

6) Hollow is a Sri Lankan metal band.