The Chaucer Review: An Indexed Bibliography (Vols. 1-30)

Booth, Mark W. "'Sumer Is Icumen in' as a Song." 14 (1979): 158-65.
"Sumer Is Icumen in" cannot be properly evaluated as a text unless scholars view it in the context of performance as a round. The "cuccu" sound repeated throughout the song commemorates and produces the coming summer in a state of "inattentive levity" (163).