▁coming ▁together ▁in ▁ 1 9 8 8 . ▁According ▁to ▁the ▁interview , ▁the ▁band ▁is ▁influenced ▁by ▁slow ▁parts ▁of ▁death ▁metal ▁bands ▁like ▁Ob itu ary , ▁Winter ▁and ▁Aut ops y . ▁ ▁The ▁band ' s ▁name ▁is ▁Latin ▁for ▁" R ig id ▁and ▁s ard onic "; ▁the ▁vast ▁majority ▁of ▁their ▁album ▁and ▁song ▁titles ▁are ▁in ▁Latin . ▁However , ▁the ▁lyr ics ▁are ▁still ▁in ▁English . ▁ ▁Disc ography ▁ ▁Studio ▁albums ▁ ▁Ap oc aly ps is ▁Dam n are ▁ ▁( CD , ▁ 1 9 9 9 , ▁Self - re leased , ▁re - re leased ▁by ▁Par agon ▁Records , ▁ 2 0 0 5 ) ▁ ▁Princi p ia ▁S ardon ica ▁ ▁( CD , ▁ 2 0 0 4 , ▁Par agon ▁Records ) ▁ ▁Vall is ▁Ex ▁Um bra ▁De ▁Mort u us ▁ ▁( CD , ▁LP , ▁ 2 0 0 8 , ▁Par agon ▁Records ) ▁ ▁E go ▁D il ig io ▁V os ▁( CD , ▁February ▁ 2 0 1 2 ) ▁ ▁Dem os ▁ ▁Ris us ▁Ex ▁Mort u us ▁( C ass ette , ▁ 1 9 9 4 , ▁self - re leased , ▁re - re leased ▁on ▁CD ▁by ▁End less ▁Des per ation , ▁ 2 0 0 6 ) ▁ ▁Live ▁albums ▁ ▁V ives c ere ▁Exit ium ▁ ▁( Live ▁recording . ▁ ▁Free ▁digital ▁download ▁off