Complex sentence: This suite is one of the composer's more popular works, and the "Daybreak" movement includes a first draft of the tune which later became "La Calinda" from his opera "Koanga".
Split into simpler sentences: This suite is one of the composer's more popular works. The "Daybreak" movement includes a version of the tune, "La Calinda" which Delius later uses in his opera "Koanga".