Then Tilda and Maggie went to a wonderful concert--all the time staying just where they were. Ladies and gentlemen they couldn’t see at all came and sang to them, and whole orchestras and bands, all from the same mysterious little box, played music that set delicious thrills shivering down Tilda’s back, and her feet to beating time. Sousa’s band had just finished “El Capitan” when some sweet little chimes tinkled out in the hall.