FOLK-SONGS. 16 I. FOLK-SONGS AND ART SONGS 17 II. AN ENGLISH FOLK-SONG 20 III. KEY AND MODULATION 21 IV. BARBARA ALLEN 22 V. NATIONAL CHARACTERISTICS IN FOLK-SONGS 25 VI. AN IRISH FOLK-SONG 26 VII. A GERMAN FOLK-SONG 28 VIII. SUMMARY 30