Steve Lawrence yemmut seg waṭṭan n Alzheimer, i d-yenna yiwen n umeslay n twacult. Ddu-yagi llan ttwasnen s tuffɣa-nsen deg isura n umeslay, deg tkebbaniyin n yiḍ d deg yisekla n Las Vegas. Deg yiseggasen n 1970, Lawrence d tmeṭṭut-is llan d imseɣriyen imeqranen deg ikasinus n Las Vegas d tkebbaniyin n yiḍ deg tmurt.