The 12 Pillars of Peak Performance gives valuable information on becoming a peak performer in sports, business, and life. 1. Language: English. Narrator: Brian Cain, Randy Jackson, Griffin Gum, Erin Cain. Audio sample: http://samples.audible.de/bk/acx0/076843/bk_acx0_076843_sample.mp3. Digital audiobook in aax.