INSTANT NEW YORK TIMES AND USA TODAY BESTSELLER! A book for the coolest grandpas and grandmas everywhere!Grandparents love to rock every way they can--whether it's by singing out loud, dancing to a song in their hearts, or just living their best lives! From the musical team of Pat Benatar and Neil Giraldo comes a lyrical read-aloud that celebrates all kinds of grandparents from all walks of life--from plumbers to yoga instructors to...rock stars!