Glen Campbell's wife Kim has shared a letter describing the singer's final moments, his battle with Alzheimer's and her own well-being after his Aug. 8 death.
Brad Paisley turned to social media not only to remember Glen Campbell, but also to call for a cure for Alzheimer's "once and for all" in memory of the entertainment icon.
Keith Urban paid tribute to Glen Campbell just hours after the legend's death on Tuesday (Aug. 8), releasing an emotional statement lauding the singer's influence and "humanity."