???I met Michael on Maui after a show, and he told me that if I ever needed help with song tracks, to let him know,??? Paiva says. ???I decided to take him up on the offer.??? Musical Notes tracked down the 23-year-old ukulele virtuoso with the quick smile shortly before she embarked on a trip to Japan for more performances, and got her to opine about such topics as Justin Bieber, wearing loud clo