On subject of Youtube as early childhood music education resource, Jah Billah says: NO NO NO.
Found in Concers, from Characteristics of Digital Musical Parenting, chapter from:
YOUTUBE AS AN EARLY CHILDHOOD MUSIC EDUCATION RESOURCE:
PARENTAL ATTITUDES, BELIEFS, USAGES, AND EXPERIENCES
A Dissertation presented to the Faculty of the Graduate School at the University of Missouri-Columbia
MICHELLE Y. KO