Ticketmaster's rhymes with:
postmasters, burgomaster's, burgomasters, jewelmasters, postmasters, broadcaster's, broadcasters, broadcasters', burgomaster's, burgomasters, forecasters, jewelmasters, newscasters, postmasters, sportscasters
postmasters, burgomaster's, burgomasters, jewelmasters, postmasters, broadcaster's, broadcasters, broadcasters', burgomaster's, burgomasters, forecasters, jewelmasters, newscasters, postmasters, sportscasters