Under the lines "I ain't gonna change my mind" and "Nothing can change my mind" in "Limelight," the bass plays three notes of the same pitch (Bb). Because the pitch is maintained, there's a sense of this constancy (not changing).
When I found the specific pitch, however, I also noticed that "mind" is sung with a melisma (C Bb), so while the sentiments are negated, there is a sense of "chang[ing]."
