The dance pop dynamo's catalog spans a career that stretches back to her teen years. These curios and alternate cuts illustrate Robyn's formidable range, encompassing delicate acoustic versions of poppy hits (“Hang With Me,” “Indestructible”), breezy juvenilia (“Play,” “Electric”), and slinky, gleeful collabs with her frequent duet partner Snoop Dogg (“Sexual Eruption,” “U Should Know Better”).