Working with (new collaborators) and letting people in to try new melodies and new lyrical ideas was very hard.

Working with (new collaborators) and letting people in to try new melodies and new lyrical ideas was very hard.

与(新的合作者)合作，让人们尝试新的旋律和新的抒情想法是非常困难的。

-- Gwen Stefani 格温·斯特凡尼