Fred and the Fantastic Tub-Tub

Fred, a young girl, and her Grandpa travel to the island of Papa-Nupi to see, or rather hear, the mysterious Tub-Tub; a plant that flowers every 200 years and which ‘ produces music so beautiful even the birds in the trees stop singing to hear it.’ But even if they can get there, can they manage to bring a recording back with them to prove what they’ ve heard?