Rolf appreciates the "little sister of the guitar" for its portability and bright, cheerful sound, making it perfect for spontaneous singing with family, friends, and during visits to children's groups. Birte Reuver, who also teaches ukulele, has arranged 35 of his songs. Song selection: Everyone Makes Mistakes, One Child Is Like This, the Other Child Is Like That, Happy August, Good Day, I Am Santa Claus, Hats Off, A New Spring Comes Again and Again, In the Christmas Bakery, Come, Let's Go Lantern Walking, Songs That Are Like Bridges, My Home Is a Little Blue Star, Summer Children, Stupsy the Little Easter Bunny, How Wonderful That You Were Born, Winter Children.