9 7 0 s ▁and ▁ 1 9 8 0 s ▁ ▁Chris ▁O ’ B rien ▁( Music ▁Produ cer ) ▁Irish ▁Music ▁Produ cer ▁ ▁See ▁also ▁Chris ▁O ' B rien ▁( disambiguation ) <0x0A> </s> ▁The ▁Battle ▁of ▁Mam sha ▁was ▁a ▁Scottish ▁cl an ▁battle ▁that ▁took ▁place ▁in ▁ 1 4 2 9 ▁and ▁that ▁was ▁fought ▁by ▁the ▁Cl an ▁F ras er ▁of ▁L ovat ▁who ▁defeated ▁the ▁inv ading ▁Cl an ▁Donald . ▁ ▁Background ▁ ▁In ▁ 1 4 2 9 , ▁Alexander ▁of ▁Is lay , ▁Earl ▁of ▁Ross , ▁ 3 rd ▁Lord ▁of ▁the ▁Is les ▁and ▁chief ▁of ▁Cl an ▁Donald , ▁bes ie ged ▁In ver ness ▁Castle ▁and ▁bur nt ▁the ▁town ▁of ▁In ver ness ▁to ▁as hes . ▁Hugh ▁F ras er , ▁ 3 rd ▁Lord ▁F ras er ▁having ▁ob struct ed ▁his ▁passage ▁through ▁his ▁territory ▁and ▁causing ▁him ▁to ▁take ▁a ▁circuit ous ▁route , ▁the ▁Lord ▁of ▁the ▁Is les ▁was ▁determined ▁to ▁pun ish ▁the ▁F ras er ▁chief . ▁He ▁set ▁out ▁from ▁L och ab er ▁leaving ▁a ▁strong ▁party ▁in ▁In ver ness ▁and ▁made ▁repr is als ▁on ▁F ras er ▁and ▁his ▁ten antry . ▁The ▁Lord ▁of ▁the ▁Is les ' ▁force ▁was ▁strength ened ▁day ▁by ▁day ▁with ▁new ▁arrival s ▁from ▁the ▁west ▁until ▁he ▁came ▁to ▁lay ▁sie ge ▁to ▁F ras er ' s ▁castle ▁of ▁L ovat .