Once more he sang of knights and ladyes fair, of love and death and valour; and Ederyn, the page, crept nearer to him till the harp-strings ceased to thrill. With head upon his hands, he sat and sighed. Not even when the wassail-bowl was passed with mirth and laughter did he look up. And when the graybeard minstrel saw his grief, he thought upon his question of the Yule-tide gone. "Ah, now, thou flaxen-haired," he whispered in his ear. "I bear thee tidings which should make thee sing for joy. There _is_ a way for even such as thou to win the honours thou dost covet. I heard it in the royal court when last I sang there at the king's behest." Then all aquiver with his eagerness did Ederyn kneel, with face alight, beside the minstrel's knee to hear. "Know this," began the graybeard. "'Tis the king's desire to 'stablish round him at his court a chosen circle whose fidelity hath stood the utmost test. Not deeds of prowess are required of these true followers, with no great conquests doth he tax them, but they must prove themselves trustworthy, until on hand and heart it may be graven large, '_In all things faithful_.' "To Merlin, the enchanter, he hath left the choice, who by some strange spell I wot not of will send an eerie call through all the kingdom. And only those will hear who wake at dawn to listen in high places. And only those will heed who keep the compass needles of their souls true to the north star of a great ambition. The time of testing will be long, the summons many. To duty and to sorrow, to disappointment and defeat, thou may'st be called. No matter what the tryst, there is but one reply if thou wouldst win thy knighthood. Give heed and I will teach thee now that answer." Then smiting on his harp, the minstrel sang, so softly under cover of the noise, that only Ederyn heard. Through all the song ran ever this refrain. It seemed a brooklet winding in and out through some fair meadow: "'Tis the king's call. O list! Thou heart and hand of mine, keep tryst-- Keep tryst or die!" Then Ederyn, with his hand upon his heart, made solemn oath. "Awake at dawn and listening in high places will I await that call. With the compass needle of my soul true to the north star of a great ambition will I follow where it leads, and though through fire and flood it take me, I'll make but this reply: "''Tis the king's call. O list! Thou heart and hand of mine, keep tryst-- Keep tryst or die!'" Pressing the old man's hand in gratitude (he could say no word for the strange fulness in his throat that well-nigh choked him), he rose from his knees and left the hall to muse on what had passed. That night he climbed into the tower, and, with his face turned to the east, kept vigil all alone. Below, the rioters waxed louder in their mirth. The knife was in the meat, the drink was in the horn. But he would not join their revels, lest morning find him sunk in sodden sleep, heavy with feasting and witless from wine.