There's no doubt that Glen Campbell was loved by his fellow artists. Here are some of the tributes the stars posted to the Rhinestone Cowboy.
Ashley Campbell: "Heartbroken. I owe him everything I am, and everything I ever will be. He will be remembered so well and with so much love."
Jimmy Webb: "Well, that moment has come that we have known was an inevitable certainty and yet stings like a sudden catastrophe. Let the world note that a great American influence on pop music, the American Beatle, the secret link between so many artists and records that we can only marvel, has passed and cannot be replaced. He was bountiful. His was a world of gifts freely exchanged: from Roger Miller stories to songs from the best writers, to an old Merle Haggard record. My friend, my brother in music, Glen Campbell has passed...I am full of grief. I am writing because I think you deserve some sort of message from me but I am too upset to write very well or at any great length...This I can promise. While I can play a piano he will never be forgotten. And after that someone else will revel in his vast library of recordings and pass them on to how many future generations? Possibly to all of them." (Click here for full statement)
Ringo Starr: "God bless and peace and love to Glen Campbell thanks for the music The real rhinestone cowboy and love to all his family.Carole King: RIP Glen Campbell -- a great singer and musician who wrote and chose to cover great songs."
Joe Walsh: "Sad to hear Glen Campbell passed. He was a GREAT guitar player and a great person. Rest in peace, my friend -- thanks for all the music."
Miley Cyrus: "Miss you already."
Brian Wilson: "I'm very broken up to hear about my friend Glen Campbell. An incredible musician and an even better person. I'm at a loss."
David Coverdale (Whitesnake): "RIP Glen Campbell. Our thoughts and prayers to his family, friends and fans."
Kevin Jonas: "So sad that Glen Campbell has passed. Such a legend."
Tony Orlando: "I lost a great friend today, and the world lost a great talent. Rest in peace, Glen Campbell."
Ed Helms: "RIP Glen Campbell, a true gentleman genius -- you will forever be gentle on our minds!"
Diane Warren: "RIP one of my favorite singers, Glen Campbell. Glen singing the songs of Jimmy Webb is songwriting plus singing masterclass."
Charlie Daniels: "Thank you, Glen Campbell, for sharing your talent with us for so many years May you rest in peace my friend You will never be forgotten."
Dolly Parton: "Glen Campbell was one of the greatest voices of all time. I will always love you, Glen!"
Roy Clark: "Sorry to hear about my good friend Glen. The loss is too big to put into words. He was an incredible voice, incredible musician, incredible friend, movie star and recording artist. We had so much fun together, and sort of grew up together in our music and our careers. There were so many memories that only he and I shared."
Robert De Leo (Stone Temple Pilots): "We have lost a true legend. Such an immense talent and influence. A dear man. My heart goes out to the Campbell family."
Peter Frampton: "Dear Glen Campbell. Rest in Peace. As well as your incredible musical abilities, you were one of the most down to earth people I have ever known."
Paul Stanley (KISS): "So sad to hear of Glen Campbell passing. A stellar session player, singer and performer. LOVED his Jimmy Webb songs."
Rick Nielsen (Cheap Trick): "Glen Campbell, one of the best. Bless you Glen."
Sheryl Crow: "Huge loss in the world of music today. Rest In Peace, Glen Campbell."
Blake Shelton: "Extremely sad to hear that Glen Campbell has passed away. My prayers and thoughts go out to him and his family."
Kenny Rogers: "So very sorry to hear this. Glen was such a talented, great guy. Thankful to have known him."
Darius Rucker: "Glen Campbell... The artist. The songwriter. The musician. The man. Music will never be the same. Missing the Rhinestone Cowboy already!"
Lenny Kravitz: "Besides being an amazing solo artist, Glen Campbell was also a genius solo musician as part of the Wrecking Crew, playing on recordings from The Beach Boys to Frank Sinatra. He was pure talent, heart and courage. Rest in peace, brother, you brought us a lot of joy."
KC of KC and the Sunshine Band: “It’s sad to hear of the passing of yet another great musical genius. His music will live on! Some of the greatest country songs ever to be written or sung. My thoughts and prayers go out to the Campbell family in their time of sorrow and loss.”
Jerry Lee Lewis: “Glen was a dear friend to me. One of the best. Let the Lord be with him to rest his soul and to comfort his family.”
Chuck Negron (ex-Three Dog Night): "Glen Campbell was a gentleman and a joy to work with. Glen played guitar and sang with Leon Russell and David Gates on my first records in Hollywood. He will be mourned and always loved by so many."
Burleigh Drummond (Ambrosia): "Back in the '80s Ambrosia had the opportunity to eavesdrop on a rehearsal Glen was having with his band. We have rarely witnessed anyone with that level of instrumental and vocal talent and he pulled it off with great tact and a great sense of humor. We were more than impressed."
Huey Lewis: "Glen Campbell was extremely talented, very humble and pure of soul. He will be missed, but his music will live forever."
Ellen DeGeneres: "Country music will never be the same. Sending love to Glen Campbell's family."
Steve Martin: "RIP Glen. You were my first employer as a writer. We were all in awe of your musicality."
James Woods: "Glen Campbell dies after battle with Alzheimer's. A legend taken by the cruelest of all diseases."
Peter Fonda: "RIP Glen Campbell...still love the GC edition of the 12-string Ovation you gave me in '73...I'll play it tonight with love."
Keith Urban: "I love Glen for so many reasons -- but above all for his humanity. Go rest high on the mountain, Glen."
Senator John McCain: "Saddened by the passing of Glen Campbell, a great entertainer, a great man and a great Arizonan -- thanks for the memories."
Jason Isbell: "Sure played one hell of a guitar...Saying Glen Campbell 'lost his fight with Alzheimer's' is like saying 'John McCain lost the War in Vietnam. That's just not how it works."
Governor Mike Huckabee: "Glen Campbell was one of the great entertainers and musicians of our time. Sad to learn of the death of a great Arkansan and American."
Statement from Campbell family: "It is with the heaviest of hearts that we announce the passing of our beloved husband, father, grandfather, and legendary singer and guitarist, Glen Travis Campbell, at the age of 81, following his long and courageous battle with Alzheimer's disease.
"Glen is survived by his wife, Kim Campbell of Nashville, TN; their three children, Cal, Shannon and Ashley; his children from previous marriages, Debby, Kelli, Travis, Kane, and Dillon; ten grandchildren, great- and great-great-grandchildren; sisters Barbara, Sandra, and Jane; and brothers John Wallace 'Shorty' and Gerald.