American Idol Katharine McPhee postpones 'Fall in Love' tour due to "extreme vocal fatigue" 10/30/2018 Katharine McPhee announced on Instagram that her planned Fall in Love tour will be postponed due to vocal fatigue. Read More RELATED NEWS 'American Idol' alum Mandisa's cause of death revealed'American Idol' alum Mandisa dead at age 47Katharine McPhee leaves David Foster tour after "horrible" family tragedy TAGS: American Idol Katharine McPhee David Foster
