Officials at Caesars Entertainment said that John was admitted to Cedars-Sinai Medical Center in Los Angeles May 23. He was later released, but doctors recommended he not perform for a week.

John will miss the final concerts of Million Dollar Piano, which features the singer's classic songs and plays The Colosseum at Caesar's Palace. Tickets to the canceled shows can be exchanged or refunded.

Following a summer tour in Europe, which kicks off June 1 in Germany, John and his band will return to Vegas in October, when The Million Dollar Piano will resume.

John is a five-time Grammy Award winner and Academy Award winner for "The Lion King." He has written the scores to the Broadway musicals Billy Elliot, The Lion King, Aida (Tony Award) and Lestat. John's numerous albums include "Goodbye Yellow Brick Road," "Tumbleweed Connection," "Captain Fantastic and the Brown Dirt Cowboy" and his self-titled 1970 album.