1) Mortar is an old school thrash metal band hailing from Kolkata, India. They released their first EP named 'Ground Zero' in 2013. 2) Mortar is a heavy metal band from Edmonton, Alberta. The band was formed in 2010 by M. Emery in Vancouver, British Columbia to put to use many songs that were written between 2006-2009. Upon relocating to Edmonton, he pursued a full band. See Mortar on MySpace.