The song "Changes" by Air Supply is typically performed in the key of F major. It was released in 1985 as part of their album "Air Supply." The song was written by Graham Russell, one of the founding members of Air Supply. "Changes" explores themes of love, longing, and the challenges of maintaining a relationship. The smooth melody, accompanied by soft rock instrumentation and heartfelt vocals, captures the emotional depth of the lyrics. The song showcases Air Supply's signature harmonies and poignant songwriting style, earning it popularity among fans of soft rock and adult contemporary music.