Anna and Andy explore how drums make their sound and why some drums sound different than others.

Anna and Andy discover what happens inside a maraca when it is shaken and if all shakers sound the same.

Anna and Andy find out the difference between whistles and flutes and how a tune is played on a recorder.

Anna and Andy play and pluck instruments that have strings to find out why pulling a stretched string makes a sound, how a ukulele sounds different to a rubber-band banjo, and more.