. ▁ ▁Row ing ▁p ib ro ch ▁are ▁more ▁rh yth mic ▁t unes ▁used ▁to ▁encou rage ▁row ers ▁while ▁crossing ▁the ▁sea . ▁ ▁The ▁different ▁categories ▁of ▁p ib ro ch ▁do ▁not ▁have ▁consistent ▁distinct ive ▁musical ▁patterns ▁that ▁are ▁characteristic ▁of ▁the ▁category . ▁The ▁role ▁of ▁the ▁p ib ro ch ▁may ▁inform ▁the ▁perform ers ▁interpret ative ▁expression ▁of ▁rh ythm ▁and ▁tempo . ▁ ▁Many ▁p ib ro ch ▁t unes ▁have ▁intr igu ing ▁names ▁such ▁as ▁" To o ▁Long ▁in ▁This ▁Cond ition ", ▁" The ▁Pi per ' s ▁Warning ▁to ▁His ▁Master ", ▁" S car ce ▁of ▁Fish ing ", ▁" The ▁Un just ▁In car cer ation " ▁and ▁" The ▁Big ▁Sp ree " ▁which ▁suggest ▁specific ▁narr ative ▁events ▁or ▁possible ▁song ▁ly ric ▁sources . ▁ ▁The ▁or al ▁transmission ▁of ▁the ▁re per toire ▁has ▁led ▁to ▁diverse ▁and ▁diver gent ▁accounts ▁of ▁the ▁names ▁for ▁t unes , ▁and ▁many ▁t unes ▁have ▁a ▁number ▁of ▁names . ▁Mis - trans lation ▁of ▁G ael ic ▁names ▁with ▁non - standard ▁ph on etic ▁sp elling ▁adds ▁to ▁the ▁confusion . ▁ ▁In ▁some ▁cases ▁the ▁name ▁and ▁subject ▁matter ▁of ▁p ib ro ch ▁t unes ▁appears ▁to ▁have ▁been ▁re ass igned ▁by - 1 9 th ▁century ▁edit ors ▁such ▁as ▁Ang us ▁Mac K ay , ▁whose ▁book ▁A ▁Collection ▁of ▁An cient ▁P io ba ire ach