Ionian/Lydian Gapped Scales and Hybrids
Link to Ionian, Mixolydian, Dorian and Aeolian: Samples and Examples of the 4 Main Musical Scales in Celtic, Anglo-American and English Folk Songs [[1]]
07 Barbara Ellen (Cecil J. Sharp, 1916, One Hundred English Folk Songs)
Link: http://folkopedia.efdss.org/wiki/07_Barbara_Ellen
Tune Analysis: E Ionian key signature but no A (4th). Hexatonic E Ionian/E Lydian scale, Authentic.