Whales do have a tradition of performing longform dramatic poetry/song in Young Wizards, though the only one presented in text, The Song of the Twelve is a bit too serious. (I've compared it to a passion play for Christians.) So S'reee will probably do something less serious, in the Speech so listeners can either focus on the sound or the meaning. (Wizards' Speech is basically universally understood; if someone isn't paying attention, it just sounds like their native language.)