Learn Esperanto - Explanation of whole grammar - With the help of ’La ŝalmisto de Hamelin’

Be sure you first look at the telling of the legend of ’La ŝalmisto de Hamelin’ (Pied Piper of Hamelin): And here comes the explanation of the whole grammar of Esperanto in only half an hour. English is only my 4th language, but I’m doing my best. It is meant to show how you can present Esperanto.